updated examples
diff --git a/examples/bsp1.json b/examples/bsp1.json
index 151b198..0a085ff 100644
--- a/examples/bsp1.json
+++ b/examples/bsp1.json
@@ -1,27 +1 @@
-{

-   "context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",

-   "query":{

-      "@type":"korap:group",

-      "operation":"operation:sequence",

-      "operands":[

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"Der",

-               "layer":"orth",

-               "match":"eq"

-            }

-         },

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"Mann",

-               "layer":"orth",

-               "match":"eq"

-            }

-         }

-      ]

-   }

-}
\ No newline at end of file
+{"context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","query":{"@type":"korap:group","operation":"operation:sequence","operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Der","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Mann","layer":"orth","match":"match:eq"}}]}}
\ No newline at end of file
diff --git a/examples/bsp2.json b/examples/bsp2.json
index f6d67a5..71d089a 100644
--- a/examples/bsp2.json
+++ b/examples/bsp2.json
@@ -1,36 +1 @@
-{

-   "context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",

-   "query":{

-      "@type":"korap:group",

-      "operation":"operation:sequence",

-      "inOrder":true,

-      "distances":[

-         {

-            "@type":"korap:distance",

-            "key":"w",

-            "min":1,

-            "max":3

-         }

-      ],

-      "operands":[

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"Der",

-               "layer":"orth",

-               "match":"eq"

-            }

-         },

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"Mann",

-               "layer":"orth",

-               "match":"eq"

-            }

-         }

-      ]

-   }

-}
\ No newline at end of file
+{"context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","query":{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:distance","key":"w","min":1,"max":3}],"operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Der","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Mann","layer":"orth","match":"match:eq"}}]}}
\ No newline at end of file
diff --git a/examples/bsp3.json b/examples/bsp3.json
index 19cf64e..7577689 100644
--- a/examples/bsp3.json
+++ b/examples/bsp3.json
@@ -1,48 +1 @@
-{

-   "context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",

-   "query":{

-      "@type":"korap:group",

-      "operation":"operation:sequence",

-      "inOrder":true,

-      "distances":[

-         {

-            "@type":"korap:group",

-            "operation":"operation:and",

-            "operands":[

-               {

-                  "@type":"korap:distance",

-                  "key":"w",

-                  "min":1,

-                  "max":3

-               },

-               {

-                  "@type":"korap:distance",

-                  "key":"s",

-                  "min":1,

-                  "max":1

-               }

-            ]

-         }

-      ],

-      "operands":[

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"Der",

-               "layer":"orth",

-               "match":"eq"

-            }

-         },

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"Mann",

-               "layer":"orth",

-               "match":"eq"

-            }

-         }

-      ]

-   }

-}
\ No newline at end of file
+{"context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","query":{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:group","operation":"operation:and","operands":[{"@type":"korap:distance","key":"w","min":1,"max":3},{"@type":"korap:distance","key":"s","min":1,"max":1}]}],"operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Der","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Mann","layer":"orth","match":"match:eq"}}]}}
\ No newline at end of file
diff --git a/examples/bsp4.json b/examples/bsp4.json
index 42d57c7..4d2c046 100644
--- a/examples/bsp4.json
+++ b/examples/bsp4.json
@@ -1,72 +1 @@
-{

-   "context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",

-   "query":{

-      "@type":"korap:group",

-      "operation":"operation:sequence",

-      "inOrder":true,

-      "distances":[

-         {

-            "@type":"korap:distance",

-            "key":"w",

-            "min":0,

-            "max":5

-         }

-      ],

-      "operands":[

-         {

-            "@type":"korap:group",

-            "operation":"operation:sequence",

-            "inOrder":true,

-            "distances":[

-               {

-                  "@type":"korap:group",

-                  "operation":"operation:and",

-                  "operands":[

-                     {

-                        "@type":"korap:distance",

-                        "key":"w",

-                        "min":1,

-                        "max":3

-                     },

-                     {

-                        "@type":"korap:distance",

-                        "key":"s",

-                        "min":1,

-                        "max":1

-                     }

-                  ]

-               }

-            ],

-            "operands":[

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"Der",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               },

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"Mann",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               }

-            ]

-         },

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"geht",

-               "layer":"orth",

-               "match":"eq"

-            }

-         }

-      ]

-   }

-}
\ No newline at end of file
+{"context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","query":{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:distance","key":"w","min":0,"max":5}],"operands":[{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:group","operation":"operation:and","operands":[{"@type":"korap:distance","key":"w","min":1,"max":3},{"@type":"korap:distance","key":"s","min":1,"max":1}]}],"operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Der","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Mann","layer":"orth","match":"match:eq"}}]},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"geht","layer":"orth","match":"match:eq"}}]}}
\ No newline at end of file
diff --git a/examples/bsp5.json b/examples/bsp5.json
index 5dca716..b4aaadc 100644
--- a/examples/bsp5.json
+++ b/examples/bsp5.json
@@ -1,72 +1 @@
-{

-   "context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",

-   "query":{

-      "@type":"korap:group",

-      "operation":"operation:sequence",

-      "inOrder":true,

-      "distances":[

-         {

-            "@type":"korap:distance",

-            "key":"w",

-            "min":0,

-            "max":5

-         }

-      ],

-      "operands":[

-         {

-            "@type":"korap:token",

-            "wrap":{

-               "@type":"korap:term",

-               "key":"geht",

-               "layer":"orth",

-               "match":"eq"

-            }

-         },

-         {

-            "@type":"korap:group",

-            "operation":"operation:sequence",

-            "inOrder":true,

-            "distances":[

-               {

-                  "@type":"korap:group",

-                  "operation":"operation:and",

-                  "operands":[

-                     {

-                        "@type":"korap:distance",

-                        "key":"w",

-                        "min":1,

-                        "max":3

-                     },

-                     {

-                        "@type":"korap:distance",

-                        "key":"s",

-                        "min":1,

-                        "max":1

-                     }

-                  ]

-               }

-            ],

-            "operands":[

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"Der",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               },

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"Mann",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               }

-            ]

-         }

-      ]

-   }

-}
\ No newline at end of file
+{"context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","query":{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:distance","key":"w","min":0,"max":5}],"operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"geht","layer":"orth","match":"match:eq"}},{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:group","operation":"operation:and","operands":[{"@type":"korap:distance","key":"w","min":1,"max":3},{"@type":"korap:distance","key":"s","min":1,"max":1}]}],"operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Der","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Mann","layer":"orth","match":"match:eq"}}]}]}}
\ No newline at end of file
diff --git a/examples/bsp6.json b/examples/bsp6.json
index 0e1b249..1b7050d 100644
--- a/examples/bsp6.json
+++ b/examples/bsp6.json
@@ -1,87 +1 @@
-{

-   "context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",

-   "query":{

-      "@type":"korap:group",

-      "operation":"operation:sequence",

-      "inOrder":true,

-      "distances":[

-         {

-            "@type":"korap:distance",

-            "key":"w",

-            "min":0,

-            "max":5

-         }

-      ],

-      "operands":[

-         {

-            "@type":"korap:group",

-            "operation":"operation:sequence",

-            "inOrder":true,

-            "distances":[

-               {

-                  "@type":"korap:group",

-                  "operation":"operation:and",

-                  "operands":[

-                     {

-                        "@type":"korap:distance",

-                        "key":"w",

-                        "min":1,

-                        "max":3

-                     },

-                     {

-                        "@type":"korap:distance",

-                        "key":"s",

-                        "min":1,

-                        "max":1

-                     }

-                  ]

-               }

-            ],

-            "operands":[

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"Der",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               },

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"Mann",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               }

-            ]

-         },

-         {

-            "@type":"korap:group",

-            "operation":"operation:sequence",

-            "operands":[

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"geht",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               },

-               {

-                  "@type":"korap:token",

-                  "wrap":{

-                     "@type":"korap:term",

-                     "key":"weg",

-                     "layer":"orth",

-                     "match":"eq"

-                  }

-               }

-            ]

-         }

-      ]

-   }

-}
\ No newline at end of file
+{"context":"http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld","query":{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:distance","key":"w","min":0,"max":5}],"operands":[{"@type":"korap:group","operation":"operation:sequence","inOrder":true,"distances":[{"@type":"korap:group","operation":"operation:and","operands":[{"@type":"korap:distance","key":"w","min":1,"max":3},{"@type":"korap:distance","key":"s","min":1,"max":1}]}],"operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Der","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"Mann","layer":"orth","match":"match:eq"}}]},{"@type":"korap:group","operation":"operation:sequence","operands":[{"@type":"korap:token","wrap":{"@type":"korap:term","key":"geht","layer":"orth","match":"match:eq"}},{"@type":"korap:token","wrap":{"@type":"korap:term","key":"weg","layer":"orth","match":"match:eq"}}]}]}}
\ No newline at end of file