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: emotional status 
Words: downward, unhappy, down, shameful, disgusted

Ex Output:
downward


Ex Input:
Category: aesthetic characteristic 
Words: high quality, fine, attractive, alright, level

Ex Output:
alright


Ex Input:
Category: outdoor sport activity 
Words: canoe, climbing, fish, hunting, mice

Ex Output:

mice