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: picnic, open-faced, club, grilled cheese, lettuce

Output: picnic


Input: Consider Input: Category: construction 
Words: dump truck, swift, crane, upraise, windlass

Output: swift


Input: Consider Input: Category: location (proximity) 
Words: not open, beside, close, neighboring, nearer


Output: not open