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: ashamed, disgusted, emotional upsets, right, down

Output: right


Input: Consider Input: exquisite, dull, detached, pretty, fine


Output: detached