TASK DEFINITION: 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.
PROBLEM: nightstand : bedroom. sink : ?

SOLUTION: bathroom

PROBLEM: shed : garden. shelf : ?

SOLUTION: kitchen

PROBLEM: sink : kitchen. cupboard : ?

SOLUTION:
kitchen