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: widespread 
Words: regular, colonel, typical, ordinary, general
Example Output: colonel

Example Input: Category: date status 
Words: belated, current, tide, up to the moment, postponed
Example Output: tide

Example Input: Category: ocean 
Words: sea, whirlpool, detests, main, current
Example Output:
detests