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]: cool, fair, light, fine, level
[EX A]: fine

[EX Q]: run, bats, fly, flutter, spider
[EX A]: flutter

[EX Q]: file, space, errands, type, correspondence
[EX A]:
space