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:
concerned, fret, notes, frustrated, worried
answer:
notes

question:
crane, pelican, egret, hummingbird, upraise
answer:
upraise

question:
ice, combustion, pay, cool, fire
answer:
pay