instruction:
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.
question:
sausage, matter of fact, frank, vittles, grub
answer:
matter of fact

question:
mallet, goose, geese, hike, duck
answer:
hike

question:
smooth, flat, hill, plain, mansion
answer:
mansion