}
public Collection<List<String>> makeCollectionNegative(Collection<List<String>> pathCollection, int negativesPerPositive){
Set<List<String>> negativePaths = new HashSet<List<String>>();
Iterator<List<String>> collectionIt = pathCollection.iterator();
FSMStructure fsm = WMethod.getGraphData(g);
while(collectionIt.hasNext()){
List<String> path = collectionIt.next();
String current = fsm.init;
Map<String,String> row = null;
for(int i=0;i<path.size();i++){