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.

Example Input: Category: emotional status 
Words: alright, alert, fine, detached, level
Example Output: level

Example Input: Category: moral characteristic 
Words: decent, impartial, light, fair, dishonest
Example Output: light

Example Input: Category: accomodation 
Words: apartment, lined, house, condominium, flat
Example Output:
lined