diff --git a/src/backend/Sheep.java b/src/backend/Sheep.java
index b62af02..3c0f302 100644
--- a/src/backend/Sheep.java
+++ b/src/backend/Sheep.java
@@ -29,7 +29,7 @@ public class Sheep extends Agent {
 	 * it can interact with the cells or with other animals
 	 * as you wish
 	 */
-	public boolean liveTurn(ArrayList<Agent> neighbors, Simulator world) {
+	public boolean liveTurn(ArrayList<Agent> neighbors, World world) {
 		if(world.getCell(x, y)==1) {
 			world.setCell(x, y, 0);
 		} else {
diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index 0c7f9a3..2e5c9e9 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -382,9 +382,12 @@ public class Simulator extends Thread {
 		if (clickActionFlag==0) {
 			return "cell";
 		}else if (clickActionFlag==1) {
-			
+			return "sheep";
+		}else if (clickActionFlag==2) {
+			return "wolf";
+		}else {
+			return "error";
 		}
-		return "";
 	}