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: trustworthy, milky, fair, equitable, decent

Output: milky


Input: Consider Input: ashamed, down, emotional upsets, disgusted, ground

Output: ground


Input: Consider Input: bat, trap, sea turtle, whale, fish


Output: trap