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.

[Q]: pack, hearts, deck, queen, rudder
[A]: rudder


[Q]: emotional upsets, emotional supports, down, ashamed, up
[A]: up


[Q]: concrete pourer, winch, excavator, hoist, crane
[A]:
hoist