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: file, keys, document, fax, ram

A: fax
****
Q: unwarranted, heavy, fudge, truffles, brownie

A:
unwarranted
****