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: fine, content, acceptable, well, handsome
Example Output: handsome

Example Input: exquisite, dull, high quality, fine, acceptable
Example Output: acceptable

Example Input: chips, lifeline, stern, sail, deck
Example Output:
chips