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: precise, integrity, frank, cheese, brash
Example Output: cheese

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

Example Input: windy, fair, color, warm, mild
Example Output:
color