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: blunt, sausage, hot dog, frank, wienerwurst

A: blunt
****
Q: fawn, social, cub, kid, colt

A: social
****
Q: pig, lion, cat, duck, bow

A:
bow
****