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.

Input: Consider Input: Category: boxing terminology 
Words: deck, corner, blocking, call, box

Output: call


Input: Consider Input: Category: boats 
Words: crew, deck, rudder, suits, hull

Output: suits


Input: Consider Input: Category: employment activity 
Words: inferno, fire, pay, let go, scold


Output: inferno