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: dump truck, hoist, crane, ostrich, goose

Output: dump truck


Input: Consider Input: hunting, goat, camp, trap, fish

Output: goat


Input: Consider Input: plunge, winter, climb, fall, stoop


Output: winter