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: fret, emotional supports, output cord, angry, concerned
Example Output: output cord

Example Input: flyaway, penalty, prime, fine, comfortable
Example Output: comfortable

Example Input: fair, size, medium, dishonest, level
Example Output:
dishonest