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: file, keys, organize, errands, correspondence

A: keys
****
Q: blocking, crew, jab, deck, glove

A: crew
****
Q: ant, fly, fish, jog, bats

A:
jog
****