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]: goodies, wienerwurst, frank, hot dog, brash
[A]: brash


[Q]: size, endure, texture, variety, fair
[A]:
endure