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: miserable, emotional supports, down, kind, south
Example Output: south

Example Input: trustworthy, milky, fair, equitable, decent
Example Output: milky

Example Input: milky, pale, dishonest, medium, fair
Example Output:
dishonest