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: moral characteristic 
Words: clime, fine, fair, trustworthy, unjust

Output: clime


Input: Consider Input: Category: type of sandwich 
Words: open-faced, team, roll, doorstep, club

Output: team


Input: Consider Input: Category: boats 
Words: dock, apron, rudder, deck, galley


Output: apron