Reduce constraints to forward secondspans
diff --git a/src/main/java/de/ids_mannheim/korap/query/spans/SegmentSpans.java b/src/main/java/de/ids_mannheim/korap/query/spans/SegmentSpans.java
index 3880215..7373d15 100644
--- a/src/main/java/de/ids_mannheim/korap/query/spans/SegmentSpans.java
+++ b/src/main/java/de/ids_mannheim/korap/query/spans/SegmentSpans.java
@@ -45,8 +45,7 @@
 			matchEndPosition = firstSpans.end();			
 			return 0;
 		}
-		else if (firstSpans.start() < secondSpans.start() || 
-				firstSpans.end() < secondSpans.end())
+		else if (firstSpans.end() < secondSpans.end())
 			return -1;
 		
 		return 1;