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]: crane, ostrich, davit, dump truck, pelican
[A]: dump truck


[Q]: davit, hoist, crane, sandpiper, davit
[A]: davit


[Q]: wave, current, water, belated, jetstream
[A]:
belated