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

Ex Input:
Category: police punishment 
Words: suspension, exquisite, prime, fine, flyaway

Ex Output:
exquisite


Ex Input:
Category: aesthetic characteristic 
Words: hot, there, detailed, fine, probation

Ex Output:
probation


Ex Input:
Category: boxing terminology 
Words: ring, lifeline, deck, punch, corner

Ex Output:

lifeline