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: invent, unlicensed, brownies, lie, fudge

Output: brownies


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

Output: concrete pourer


Input: Consider Input: fire, let go, air, blaze, combustion


Output: let go