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.

type : keyboard. cook : ?
pan
To type, one uses a keyboard. As cooking requires a pan to fry or cook food, the tool corresponding to the action "cook" is "pan"..