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: alright, detached, fine, acceptable, bright

A: bright
****
Q: gunwale, stern, deck, box, bow

A: box
****
Q: correspondence, errands, sort mail, space, file

A:
space
****