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]: space, file, answer calls, fax, support
[EX A]: space

[EX Q]: deck, board, cards, knockout, draw
[EX A]: knockout

[EX Q]: truffles, cream, falsification, chocolate, fudge
[EX A]:
falsification