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Let the clever boy help find out the BLACK Audi RS7 C7 and silver grey Audi R8 42 in the Top-left of
 BLACK, Audi, RS7 C7, silver grey, Audi, R8 42, Top-left of
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:
 BLACK, Audi, RS7 C7, silver grey, Audi, R8 42, Top-left of