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, fold, hull, deck, head

A: fold
****
Q: stingray, row, raft, hunting, fish

A: stingray
****
Q: unprejudiced, ok, just, warm, fair

A:
warm
****