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]: blue, wave, current, timely, drink
[A]: timely


[Q]: ghostly, fair, medium, cold, well
[A]: cold


[Q]: ostrich, crane, sandpiper, mallet, winch
[A]:
winch