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]: down, kind, ashamed, sliding, unhappy
[A]: sliding


[Q]: pale, windy, fair, flaxen, light
[A]: windy


[Q]: duck, crane, dump truck, hoist, flamingo
[A]:
dump truck