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: boats 
Words: hull, deck, rudder, check, lifeline

Output: check


Input: Consider Input: Category: date status 
Words: early, current, tide, up to the moment, do tests

Output: tide


Input: Consider Input: Category: fried food 
Words: squander, fried, pie, apple, fritter


Output: squander