1 files changed, 3 insertions, 3 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/endomorph/plan/OpenEndPlan.java b/src/uk/ac/ox/cs/pagoda/endomorph/plan/OpenEndPlan.java
index 4022c1d..73a27bf 100644
--- a/src/uk/ac/ox/cs/pagoda/endomorph/plan/OpenEndPlan.java
+++ b/src/uk/ac/ox/cs/pagoda/endomorph/plan/OpenEndPlan.java
@@ -94,14 +94,14 @@ public class OpenEndPlan implements CheckPlan {
 
         private boolean redundant(Clique clique) {
                 for (NodeTuple nodeTuple: clique.getNodeTuples())
-                        if (!passedAnswers.contains(AnswerTuple.getInstance(nodeTuple.getAnswerTuple(), m_answerArity)))
+                        if(!passedAnswers.contains(AnswerTuple.create(nodeTuple.getAnswerTuple(), m_answerArity)))
                                 return false; 
                 return true;
         }
 
         private void addProjections(Clique clique) {
-                for (NodeTuple nodeTuple: clique.getNodeTuples()) 
-                        passedAnswers.add(AnswerTuple.getInstance(nodeTuple.getAnswerTuple(), m_answerArity));
+                for (NodeTuple nodeTuple: clique.getNodeTuples())
+                        passedAnswers.add(AnswerTuple.create(nodeTuple.getAnswerTuple(), m_answerArity));
         }
 
         private void setMarkCascadelyValidated(Clique clique) {