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: weather 
Words: equitable, fair, windy, cold, raining

Ex Output:
equitable


Ex Input:
Category: police punishment 
Words: fine, prime, firstrate, comfortable, ticket

Ex Output:
comfortable


Ex Input:
Category: shady activities 
Words: unwarranted, unlicensed, fib, fudge, brownies

Ex Output:

brownies