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: crane, winch, mallet, winch, flamingo

Output: winch


Input: Consider Input: blow, waste away, fritter, dally, croquet

Output: croquet


Input: Consider Input: deck, glove, caution, queen, apron


Output: queen