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: location (proximity) 
Words: neighboring, right there, shut down, close, bordering

Output: shut down


Input: Consider Input: Category: guitar part 
Words: neck, fret, jack, pick, angry

Output: angry


Input: Consider Input: Category: poker 
Words: deck, caution, call, draw, pack


Output: caution