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: pounce, car, bats, fly, grasshopper
Example Output: car

Example Input: ghostly, fair, medium, cold, well
Example Output: cold

Example Input: mad, relaxed, handsome, fine, annoyed
Example Output:
handsome