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:
sea turtle, whale, dog, fish, hunting

Ex Output:
hunting


Ex Input:
flaxen, texture, alright, fair, even

Ex Output:
alright


Ex Input:
dunker, seperate, squander, spend, fritter

Ex Output:

dunker