@Override
	public boolean activate() {
		entrance = SceneEntities.getNearest(entranceId);
		ditch = SceneEntities.getNearest(ditchId);
		exit = SceneEntities.getNearest(exitId);
		if (entrance != null
			&& Inventory.contains(RSC.FOOD_IDS)) {
			return true;
		} else if (exit != null
				   && !Inventory.contains(RSC.FOOD_IDS)) {
			return true;
		}
		return false;
	}