Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Input: Consider Input: goodies, sausage, frank, bold, entree

Output: bold


Input: Consider Input: deck, sail, crew, head, fold

Output: fold


Input: Consider Input: ring, tko, dock, blocking, deck


Output: dock