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: canvas, deck, corner, apron, queen
Example Output: queen

Example Input: fine, classy, mad, happy, relaxed
Example Output: classy

Example Input: cool, confident, positive, relaxed, warm
Example Output:
warm