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: descending, disgusted, emotionalities, emotional supports, down

Output: descending


Input: Consider Input: dangle, fly, bee, bats, bike

Output: bike


Input: Consider Input: file, errands, type, folder, order office supplies


Output: folder