Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Example Input: fight, chips, deck, canvas, box
Example Output: chips

Example Input: colonel, ordinary, standard, ubiquitous, general
Example Output: colonel

Example Input: variety, medium, endure, size, fair
Example Output:
endure