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: direction 
Words: kind, descending, down, opposite of up, flat

Output: kind


Input: Consider Input: Category: type of sandwich 
Words: dagwood, club, doorstep, hamburger, community

Output: community


Input: Consider Input: Category: moral characteristic 
Words: honorable, balanced, fair, pale, trustworthy


Output: pale