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: balanced, well, milky, size, fair

Output: balanced


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

Output: concrete pourer


Input: Consider Input: mad, happy, fine, alright, arrest


Output: arrest