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: neat, alright, beautiful, level, fine
Example Output: alright

Example Input: cookies, replace, fudge, banned, lie
Example Output: cookies

Example Input: alright, calm, fine, relaxed, wispy
Example Output:
wispy