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.

Ex Input:
Category: date status 
Words: data sets, tide, late, detestings, current

Ex Output:
tide


Ex Input:
Category: body part 
Words: inch, head, foot, ear, finger

Ex Output:
inch


Ex Input:
Category: emotional status 
Words: alert, content, ticket, alright, fine

Ex Output:

ticket