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Let the clever boy help find out the Grey BMW 730d and pitch dark Volvo Concept four zero. one
 BMW 730d, Volvo Concept four zero. one
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: vehicle type, position of vehicle, color of vehicle, orientation of vehicle, vehicle velocity, vehicle range, brand of vehicle, vehicle model, SUV, hatchback, sports car, sedan, bus, truck, vintage car, coupe, roadster, estate car, motorcycle, MPV, van 
Text: {0} 
Answer:
 BMW 730d, Volvo Concept four zero. one