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: fine, detached, decent, well, beautiful

Output: beautiful


Input: Consider Input: heron, tackle, hummingbird, crane, hoist


Output: tackle