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: glove, level, deck, corner, board

Output: board


Input: Consider Input: Category: aesthetic characteristic 
Words: 70, variety, color, fair, light

Output: 70


Input: Consider Input: Category: emotional status 
Words: fine, well, alright, suspension, acceptable


Output: suspension