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.

[Q]: dig : shovel. sweep : ?
[A]: broom


[Q]: iron : iron. mop : ?
[A]: mop


[Q]: wash : detergent. dig : ?
[A]:
shovel