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]: deck, sail, crew, head, fold
[EX A]: fold

[EX Q]: alright, detached, fine, acceptable, bright
[EX A]: bright

[EX Q]: board, caution, fight, punch, deck
[EX A]:
board