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.

[EX Q]: bike, flap, fly, walk, wave
[EX A]: walk

[EX Q]: ubiquitous, general, basic, major, popular
[EX A]: major

[EX Q]: tangle, light, fair, luke, brisk
[EX A]:
light