Is the Manhattan distance from Pac$-$Man to the farthest remaining pill an admissible heuristic? Recall that your goal is to eat both pills. xplain your answer to the previous question. A formal proof is not needed, but you must demonstrate that you understand the definition of admissible in order to support your claim. Also, note that simply because the Manhattan distance to a singular goal location in a navigation problem is admissible, that is not the same thing as saying the proposed heuristic for this problem is admissible.