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: physical property 
Words: sugars, fat, thin, large, angular momentum

Output: sugars


Input: Consider Input: Category: computers 
Words: folder, text, file, ram, prepare

Output: prepare


Input: Consider Input: Category: animal 
Words: bat, trap, sea turtle, whale, fish


Output: trap