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: unlicensed, chocolate, heavy, fudge, chocolate cake
Example Output: unlicensed

Example Input: dagwood, club, doorstep, hamburger, community
Example Output: community

Example Input: schedule appointments, image, file, space, motherboard
Example Output:
schedule appointments