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:
current, flow, history, signal, jetstream
answer:
history


question:
vitamin c, salt, fat, big, absorption
answer:
absorption


question:
concerned, output cord, string, notes, fret
answer:

concerned


