Question: The Porsche 928 is a luxurious grand tourer produced by Porsche AG of which country, from 1978 to 1995, the 928 combined the power, poise, and handling of a sports car with the refinement, comfort, and equipment of a luxurious saloon, luxury vehicle is a marketing term for a vehicle that provides luxury — pleasant or desirable features beyond strict necessity — at increased expense?
{'answer': 'Germany', 'supporting_facts': [['Porsche 928', 0], ['Luxury vehicle', 0]]}