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.

Example Input: Category: weather 
Words: 70, mild, fair, dishonest, clime
Example Output: dishonest

Example Input: Category: aesthetic characteristic 
Words: variety, fair, alright, pale, flaxen
Example Output: alright

Example Input: Category: police punishment 
Words: firstrate, jail, arrest, fine, dull
Example Output:
dull