instruction:
Two analogies that relate actions to the tools used to perform the action is given in the form "A : B. C : ?". "A : B" relates action A to tool B. Your task is to replace the question mark (?) with the appropriate tool for the given action C, following the "A : B" relation.
question:
crack : nutcracker. stir : ?
answer:
spoon


question:
toast : toaster. sweep : ?
answer:
broom


question:
iron : iron. vacuum : ?
answer:

vacuum