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.

Input: Consider Input: Category: type of sandwich 
Words: grilled cheese, french toast, outing, burger, club

Output: outing


Input: Consider Input: Category: computers 
Words: errands, file, download, text, folder

Output: errands


Input: Consider Input: Category: emotional status 
Words: ticket, content, ok, fine, acceptable


Output: ticket