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:
fly, grasshopper, walk, waggle, train
answer:
train


question:
fearful, food, content, nervous, excited
answer:
food


question:
drink, early, main, blue, current
answer:

early