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: lead, glass, spoon, fiberglass, spyhole

Output: spoon


Input: Consider Input: alright, detailed, annoyed, fine, calm

Output: detailed


Input: Consider Input: concerned, fret, notes, frustrated, worried


Output: notes