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: slow, shut, close, beside, out of service

Output: beside


Input: Consider Input: fly, glide, flutter, eagle, train

Output: eagle


Input: Consider Input: calm, happy, content, there, fine


Output: there