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.

Example Input: cupboard : kitchen. shower : ?
Example Output: bathroom

Example Input: refrigerator : kitchen. shower : ?
Example Output: bathroom

Example Input: shed : garden. shower : ?
Example Output:
bathroom