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, strap lock, anxious, bored, fret
answer:
strap lock

question:
space, file, answer calls, fax, support
answer:
space

question:
fudge, chocolate, cupcake, mangle, brownie
answer:
mangle