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.

Input: Consider Input: bookshelf : hallway. crib : ?

Output: nursery


Input: Consider Input: stove : kitchen. car : ?

Output: garage


Input: Consider Input: pantry : kitchen. sink : ?


Output: bathroom