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]: keys, file, download, folder, type
[EX A]: type

[EX Q]: flutter, soar, bee, jog, fly
[EX A]: bee

[EX Q]: spider, wave, fly, swim, flap
[EX A]:
spider