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: honorable, balanced, fair, pale, trustworthy
Example Output: pale

Example Input: Category: date status 
Words: current, blue, detestings, up to the moment, history
Example Output: blue

Example Input: Category: direction 
Words: forward, flat, down, ashamed, downward
Example Output:
ashamed