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: date status 
Words: early, current, tide, up to the moment, do tests
Example Output: tide

Example Input: Category: police punishment 
Words: comfortable, money, fine, prison, jail time
Example Output: comfortable

Example Input: Category: widespread 
Words: regular, major, normal, general, plain
Example Output:
major