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: chocolate food 
Words: replace, fudge, cupcake, heavy, cream

Output: replace


Input: Consider Input: Category: military rank 
Words: sargent, ordinary, captain, colonel, general

Output: ordinary


Input: Consider Input: Category: moral characteristic 
Words: frank, brash, precise, cheese, harsh


Output: cheese