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: descending, disgusted, emotionalities, emotional supports, down
Example Output: descending

Example Input: round, duplex, flat, smooshed, townhome
Example Output: smooshed

Example Input: hunting, fish, hiking, kayak, horse
Example Output:
horse