updated examples
diff --git a/examples/cosmas5.json b/examples/cosmas5.json
index 9b9222d..bc9748c 100644
--- a/examples/cosmas5.json
+++ b/examples/cosmas5.json
@@ -15,19 +15,15 @@
       "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
-        } ]
+        "@type" : "korap:distance",
+        "key" : "w",
+        "min" : 1,
+        "max" : 3
+      }, {
+        "@type" : "korap:distance",
+        "key" : "s",
+        "min" : 1,
+        "max" : 1
       } ],
       "operands" : [ {
         "@type" : "korap:token",