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.
--------
Question: recliner : den. sink : ?

Answer: bathroom


Question: counter : bathroom. microwave : ?

Answer: kitchen


Question: car : garage. bookshelf : ?

Answer:
library