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: cold, 70, fair, well, luke

Ex Output:
well


Ex Input:
Category: emotional status 
Words: left, emotional state, sad, emotional upsets, down

Ex Output:
left


Ex Input:
Category: emotional display 
Words: fawn, hatchling, love, pester, swoon

Ex Output:

hatchling