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.

Q: doughnut, fritter, fried, pie, seperate

A: seperate
****
Q: dull, fine, handsome, detailed, jail time

A: jail time
****
Q: deck, lifeline, punch, dock, rudder

A:
punch
****