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: bow, duck, sheep, goose, geese

A: bow
****
Q: deal, 70, equitable, fair, raining

A: equitable
****
Q: whirlpool, dastards, wave, current, brine

A:
dastards
****