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: meeting, community, lettuce, club, cinema
Example Output: lettuce

Example Input: fudge, brownie, unlicensed, cake, pudding
Example Output: unlicensed

Example Input: fiber, fat, calories, capacitance, salt
Example Output:
capacitance

