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.

Ex Input:
roll, french toast, club, dagwood, cinema

Ex Output:
cinema


Ex Input:
merchandise, specialty, tools, content, angry

Ex Output:
angry


Ex Input:
windy, fair, endure, mild, just

Ex Output:

just