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: temperature 
Words: cold, cool, icy, assured, mild

Output: assured


Input: Consider Input: Category: aesthetic characteristic 
Words: 70, variety, color, fair, light

Output: 70


Input: Consider Input: Category: physical property 
Words: sugar, angular momentum, large, area, fat


Output: sugar