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: frame, lead, dish, handle, glass

Output: dish


Input: Consider Input: ghostly, fair, medium, cold, well

Output: cold


Input: Consider Input: down, unhappy, opposite of up, backward, forward


Output: unhappy