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: moral characteristic 
Words: milky, fair, ok, loyal, unprejudiced
Example Output: milky

Example Input: Category: weather 
Words: 70, endure, decent, cold, fair
Example Output: decent

Example Input: Category: season 
Words: climb, equinox, summer, fall, hiems
Example Output:
climb