2492
There are so many cars on the highway that I cannot recognize but I think there is a BLACK Audi RS7 C7 driving this way with 62 km/h and a silver grey Audi R8 42 driving away at a speed of 70 kilometers per hour
 color of vehicle: BLACK; brand of vehicle: Audi; vehicle model: RS7 C7; orientation of vehicle: this way; vehicle velocity: 62; color of vehicle: silver grey; brand of vehicle: Audi; vehicle model: R8 42; orientation of vehicle: away; vehicle velocity: 70 kilometers per hour
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:
 color of vehicle: BLACK; brand of vehicle: Audi; vehicle model: RS7 C7; orientation of vehicle: this way; vehicle velocity: 62; color of vehicle: silver grey; brand of vehicle: Audi; vehicle model: R8 42; orientation of vehicle: away; vehicle velocity: 70 kilometers per hour