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.

Example Input: Category: police punishment 
Words: comfortable, money, fine, prison, jail time
Example Output: comfortable

Example Input: Category: poker 
Words: blind, chips, queen, gunwale, deck
Example Output: gunwale

Example Input: Category: baby animals 
Words: flatter, woods, calf, deer, fawn
Example Output:
flatter