diff --git a/Hazard/Hazard/Cell.h b/Hazard/Hazard/Cell.h
index 67e0c30..b81eab8 100644
--- a/Hazard/Hazard/Cell.h
+++ b/Hazard/Hazard/Cell.h
@@ -10,11 +10,12 @@ using namespace std;
 class Cell {
 public:
 	bool value;
+	unsigned int index;
 
-	vector<Cell> GetNeighbours();
-	bool HasHazard();
+	vector<Cell*> GetNeighbors();			// returns numElements Cells
+	vector<Cell*> GetHazards();				// returns the neighbor Cells which are hazardous
 
-	Cell(int index, PrimImplikantCollection* &globalPIC)
+	Cell(unsigned int index, PrimImplikantCollection* &globalPIC)
 	{
 		this->index = index;
 		this->primImplikanten = globalPIC->primImplikantenAt(index);
@@ -23,7 +24,6 @@ public:
 
 private:
 	PrimImplikantCollection primImplikanten;
-	int index;
 };
 
 #endif
\ No newline at end of file