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: police punishment 
Words: hearing, firstrate, alert, custody, fine

Output: alert


Input: Consider Input: Category: baby animals 
Words: calf, fawn, cub, cute, woods

Output: cute


Input: Consider Input: Category: card games 
Words: gin, poker, uno, tonic, go fish


Output: tonic