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:
dishonest, fair, clime, balanced, alright

Ex Output:
clime


Ex Input:
heron, davit, egret, derrick, crane

Ex Output:
davit


Ex Input:
corner, ring, crew, caution, deck

Ex Output:

crew