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: alcoholic drinks 
Words: gin, tonic, rum, spider, tequila
Example Output: spider

Example Input: Category: moral characteristic 
Words: fair, well, impartial, alright, stormy
Example Output: stormy

Example Input: Category: moral characteristic 
Words: clime, fine, fair, trustworthy, unjust
Example Output:
clime