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: decent, well, flaxen, fair, unjust
Example Output: flaxen

Example Input: trustworthy, well, fair, loyal, stormy
Example Output: stormy

Example Input: kind, descending, down, opposite of up, flat
Example Output:
kind