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: current, blue, detestings, up to the moment, history
Example Output: blue

Example Input: Category: animal 
Words: trap, dog, fish, tiger, horse
Example Output: trap

Example Input: Category: emotional status 
Words: well, detached, content, fine, ticket
Example Output:
ticket