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]: lifeline, knockout, deck, punch, tko
[A]: lifeline


[Q]: deck, tko, rudder, level, corner
[A]: rudder


[Q]: attractive, jail time, fine, hearing, prison
[A]:
attractive