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: emotional status 
Words: well, detached, fine, wispy, relaxed
Example Output: wispy

Example Input: Category: weather 
Words: deal, raining, stormy, fair, even
Example Output:
even