Task: Question Answering
Input (English): Context : Bataafse Petroleum Maatschappij (BPM), also known as Bataafsche Petroleum Maatschappij (English: Batavian Oil Company) was a subsidiary of the Royal Dutch Shell oil company established in 1907 which extracted and refined oil in the Netherlands East Indies. 
Question : What is Bataafse Petroleum Maatschappij's parent company?
Output (English): Royal Dutch Shell