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: crew, ring, deck, blocking, punch

A: crew
****
Q: ok, wispy, jail, prime, fine

A: ok
****
Q: belated, current, tide, up to the moment, postponed

A:
tide
****