Input (grade 13): Another of Ma's cellos, the Davidov Stradivarius, was previously owned by Jacqueline du Pré who passed it to him upon her death, and owned by the Vuitton Foundation.
Output (grade 8): Another of Ma's cellos, the Davidov Stradivarius, was once owned by Jacqueline du Pré who left it to him when she died.