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: fudge, molasses, cream, tart, banned
Example Output: banned

Example Input: group, dance hall, club, outing, dagwood
Example Output: dagwood

Example Input: pounce, fly, fish, flutter, bird
Example Output:
flutter