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: bowl, plastic, glass, panel, lead

Output: bowl


Input: Consider Input: galley, head, suits, deck, dock

Output: suits


Input: Consider Input: on top of, touching, finished for the day, close, right there


Output: finished for the day