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: team, french toast, club, bacon, hamburger
Example Output: team

Example Input: inlays, concerned, string, notes, fret
Example Output: concerned

Example Input: board, apron, draw, queen, deck
Example Output:
apron