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.

crib : bedroom. sink : ?
bathroom

bookshelf : hallway. couch : ?
parlor

cupboard : kitchen. refrigerator : ?

kitchen