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:
invent, unlicensed, brownies, lie, fudge
answer:
brownies


question:
string, nervous, fret, crying, concerned
answer:

string