Two analogies that relate objects to the associated rooms is given in the form "A : B. C : ?". "A : B" relates object A to room B. Your task is to replace the question mark (?) with the appropriate room for the given object C, following the "A : B" relation.

Q: sink : bathroom. shelf : ?

A: kitchen
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Q: workbench : garage. desk : ?

A: office
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Q: shelf : pantry. crib : ?

A:
nursery
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