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: run, exercise, fall, drop, leaves

Output: leaves


Input: Consider Input: equitable, just, fair, loyal, even

Output: even


Input: Consider Input: swift, crane, winch, concrete pourer, sandpiper


Output: concrete pourer