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, beetle, leap, ant, fly
[EX A]: bike

[EX Q]: concrete pourer, winch, excavator, hoist, crane
[EX A]: hoist

[EX Q]: file, text, hardware, answer, ram
[EX A]:
answer