diff --git a/examples/cosmas4.json b/examples/cosmas4.json
index 2040995..f241ecd 100644
--- a/examples/cosmas4.json
+++ b/examples/cosmas4.json
@@ -5,19 +5,15 @@
     "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",