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:
forward, opposite of up, unhappy, downward, down
answer:
unhappy


question:
impartial, pale, fair, dishonest, well
answer:
pale


question:
coating, acrylic, plastic, glass, knive
answer:

knive