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: flaxen, texture, alright, fair, even
Example Output: alright

Example Input: tko, ring, corner, hearts, deck
Example Output: hearts

Example Input: schedule appointments, errands, file, format, schedule
Example Output:
format