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: acceptable, mad, fine, comfortable, probation
Example Output: probation

Example Input: invent, unlicensed, brownies, lie, fudge
Example Output: brownies

Example Input: windy, make the grade, warm, dishonest, fair
Example Output:
dishonest