updated examples
diff --git a/examples/bsp3.json b/examples/bsp3.json
index 6912ac6..19cf64e 100644
--- a/examples/bsp3.json
+++ b/examples/bsp3.json
@@ -1,95 +1,43 @@
 {

-   "@context":{

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

-      "boundary":"korap:boundary/",

-      "group":"korap:group/",

-      "operation":{

-         "@id":"group:operation/",

-         "@type":"@id"

-      },

-      "class":{

-         "@id":"group:class",

-         "@type":"xsd:integer"

-      },

-      "operands":{

-         "@id":"group:operands",

-         "@container":"@list"

-      },

-      "frame":{

-         "@id":"group:frame/",

-         "@type":"@id"

-      },

-      "classRef":{

-         "@id":"group:classRef",

-         "@type":"xsd:integer"

-      },

-      "spanRef":{

-         "@id":"group:spanRef",

-         "@type":"xsd:integer"

-      },

-      "classRefOp":{

-         "@id":"group:classRefOp",

-         "@type":"@id"

-      },

-      "min":{

-         "@id":"boundary:min",

-         "@type":"xsd:integer"

-      },

-      "max":{

-         "@id":"boundary:max",

-         "@type":"xsd:integer"

-      },

-      "exclude":{

-         "@id":"group:exclude",

-         "@type":"xsd:boolean"

-      },

-      "distances":{

-         "@id":"group:distances",

-         "@container":"@list"

-      },

-      "inOrder":{

-         "@id":"group:inOrder",

-         "@type":"xsd:boolean"

-      }

-   },

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

    "query":{

-      "type":"group",

-      "operation":"sequence",

-      "inOrder":"true",

+      "@type":"korap:group",

+      "operation":"operation:sequence",

+      "inOrder":true,

       "distances":[

          {

-            "type":"group",

-            "operation":"and",

+            "@type":"korap:group",

+            "operation":"operation:and",

             "operands":[

                {

-                  "type":"distance",

-                  "measure":"w",

-                  "min":"1",

-                  "max":"3"

+                  "@type":"korap:distance",

+                  "key":"w",

+                  "min":1,

+                  "max":3

                },

                {

-                  "type":"distance",

-                  "measure":"s",

-                  "min":"1",

-                  "max":"1"

+                  "@type":"korap:distance",

+                  "key":"s",

+                  "min":1,

+                  "max":1

                }

             ]

          }

       ],

       "operands":[

          {

-            "type":"token",

-            "key":{

-               "type":"term",

+            "@type":"korap:token",

+            "wrap":{

+               "@type":"korap:term",

                "key":"Der",

                "layer":"orth",

                "match":"eq"

             }

          },

          {

-            "type":"token",

-            "key":{

-               "type":"term",

+            "@type":"korap:token",

+            "wrap":{

+               "@type":"korap:term",

                "key":"Mann",

                "layer":"orth",

                "match":"eq"