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]: galley, head, suits, deck, dock
[EX A]: suits

[EX Q]: probation, ticket, exquisite, suspension, fine
[EX A]: exquisite

[EX Q]: reception, motherboard, file, space, firewall
[EX A]:
reception