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: fine, classy, mad, happy, relaxed

Output: classy


Input: Consider Input: windlass, excavator, crane, hummingbird, steam roller

Output: hummingbird


Input: Consider Input: banned, fudge, wrongful, fib, cookies


Output: cookies