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.

Ex Input:
Category: weather 
Words: raining, cold, sunny, alright, fair

Ex Output:
alright


Ex Input:
Category: type of sandwich 
Words: submarine, burger, bar, lettuce, club

Ex Output:
bar


Ex Input:
Category: moral characteristic 
Words: fine, honorable, warm, fair, balanced

Ex Output:

warm