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: emotional supports, shameful, downward, loveful, down

Output: downward


Input: Consider Input: flutter, soar, bee, jog, fly

Output: bee


Input: Consider Input: ghostly, size, fair, milky, ok


Output: ok