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: jog, flap, fly, bee, bus

Output: bee


Input: Consider Input: early, water, delayed, history, current

Output: water


Input: Consider Input: glass, spoon, fiberglass, spatula, plate


Output: fiberglass