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: dull, fine, handsome, detailed, jail time
Example Output: jail time

Example Input: horse, trap, tiger, sea turtle, fish
Example Output: trap

Example Input: finger, heel, arm, foot, ounce
Example Output:
ounce