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]: grasshopper, fly, walk, bus, eagle
[A]: bus


[Q]: fret, worried, chord, notes, headstock
[A]: worried


[Q]: hoist, sandpiper, crane, swallow, heron
[A]:
hoist