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, car, bike, bats, fly

Output: bats


Input: Consider Input: mad, beautiful, comfortable, fine, relaxed

Output: beautiful


Input: Consider Input: program, joyful, panicked, jealous, content


Output: program