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: hunt, whale, shark, fish, mice

Output: hunt


Input: Consider Input: fly, flutter, bus, drive, fish

Output: fish


Input: Consider Input: dump truck, tackle, crane, hoist, davit


Output: dump truck