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: rich, chocolate, fudge, chocolate cake, unwarranted

Output: unwarranted


Input: Consider Input: Category: military rank 
Words: general, fighter, normal, major, lieutenant

Output: normal


Input: Consider Input: Category: aesthetic characteristic 
Words: high quality, level, hot, fine, well


Output: well