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: vitamin c, carbs, fiber, fat, thin

Output: thin


Input: Consider Input: lead, glass, spoon, fiberglass, spyhole

Output: spoon


Input: Consider Input: hot dog, meat, loyalty, frank, provision


Output: loyalty