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]: ecstatic, specialty, substance, content, merchandise
[EX A]: ecstatic

[EX Q]: drink, detestings, whirlpool, main, current
[EX A]: detestings

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