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:
unyielding, concerted, firm, combined, united
answer:
unyielding


question:
windlass, excavator, crane, hummingbird, steam roller
answer:
hummingbird


question:
beside, running., barred, steady, close
answer:

beside