Cleanup and initial position frames
diff --git a/src/test/resources/queries/bsp-bug.jsonld b/src/test/resources/queries/bsp-bug.jsonld
index 33bb904..e46374e 100644
--- a/src/test/resources/queries/bsp-bug.jsonld
+++ b/src/test/resources/queries/bsp-bug.jsonld
@@ -1,8 +1,7 @@
 {
   "@context": "http://ids-mannheim.de/ns/KorAP/json-ld/v0.1/context.jsonld",
   "query": {
-    "@type": "korap:group",
-    "operation" : "operation:submatch",
+    "@type": "korap:reference",
     "classRef" : [0],
     "operands" : []
   },