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: fawn, woods, antling, cute, deer
Example Output: cute

Example Input: fly, leap, glide, car, bike
Example Output: leap

Example Input: fine, jail, jail time, wispy, pretty
Example Output:
pretty