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: deck, sail, crew, head, fold

A: fold
****
Q: up to the moment, tide, current, jetstream, brine

A: up to the moment
****
Q: pester, fawn, woods, doe, antling

A:
pester
****