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.

Input: Consider Input: foot, knee, eye, leg, ounce

Output: ounce


Input: Consider Input: hoist, neck, concrete pourer, hummingbird, crane

Output: concrete pourer


Input: Consider Input: just, trustworthy, unjust, fair, milky


Output: milky