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: computers 
Words: folder, document, file, image, correspondence

Output: correspondence


Input: Consider Input: Category: type of sandwich 
Words: hoagie, burger, hamburger, club, discothek

Output: discothek


Input: Consider Input: Category: date status 
Words: dastards, moon, delayed, postponed, current


Output: moon