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: alright, size, dishonest, fine, fair
Example Output: size

Example Input: bow, duck, sheep, goose, geese
Example Output: bow

Example Input: money, hearing, penalty, annoyed, fine
Example Output:
annoyed