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: weather 
Words: impartial, 70, warm, fair, luke

Output: impartial


Input: Consider Input: Category: animal 
Words: fly, dangle, bee, jump, flap

Output: flap


Input: Consider Input: Category: weather 
Words: color, raining, fair, tangle, deal


Output: color