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: refrigerator : kitchen. recliner : ?
Example Output: den

Example Input: toolbox : garage. bed : ?
Example Output: bedroom

Example Input: microwave : kitchen. boxes : ?
Example Output:
attic