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]: fire, hire, heat, inferno, earth
[EX A]: hire

[EX Q]: crew, board, deck, rudder, hull
[EX A]: board

[EX Q]: crane, winch, sandpiper, parrot, swift
[EX A]:
winch