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.

Example Input: emotional upsets, emotional supports, down, ashamed, up
Example Output: up

Example Input: fearful, food, content, nervous, excited
Example Output: food

Example Input: windy, raining, 70, fair, honorable
Example Output:
honorable