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: belated, jetstream, detestings, current, delayed

A: jetstream
****
Q: concerned, bored, emotional, fret, output cord

A: output cord
****
Q: file, space, program, firewall, answer

A:
answer
****