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: shady activities 
Words: unwarranted, mangle, cream, loosen, fudge

Ex Output:
cream


Ex Input:
Category: weather 
Words: fair, sunny, stormy, make the grade, variety

Ex Output:
variety


Ex Input:
Category: emotional status 
Words: hearing, detached, comfortable, calm, fine

Ex Output:

hearing