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Let the clever boy help find out the BLACK Audi RS7 C7 and silver grey Audi R8 42
 sedan: Audi RS7 C7; sports car: Audi R8 42
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 sedan: Audi RS7 C7; sports car: Audi R8 42