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: boats 
Words: chips, crew, bow, deck, bridge

Output: chips


Input: Consider Input: Category: social gathering 
Words: place, bar, doorstep, club, outing

Output: doorstep


Input: Consider Input: Category: location (proximity) 
Words: close, on top of, right there, open, near


Output: open