4630
There are so many cars on the highway that I cannot recognize but I think there is a SILVER BMW M four GTS driving Right with 30 km/h and a dark brown BAIC Ec5 driving left at a speed of 173 kilometers per hour
 color of vehicle: SILVER; brand of vehicle: BMW; vehicle model: M four GTS; orientation of vehicle: Right; vehicle velocity: 30; color of vehicle: dark brown; brand of vehicle: BAIC; vehicle model: Ec5; orientation of vehicle: left; vehicle velocity: 173 kilometers per hour
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: SILVER, BMW, M four GTS, Right, 30, dark brown, BAIC, Ec5, left, 173 kilometers per hour 
Answer:
 color of vehicle: SILVER; brand of vehicle: BMW; vehicle model: M four GTS; orientation of vehicle: Right; vehicle velocity: 30; color of vehicle: dark brown; brand of vehicle: BAIC; vehicle model: Ec5; orientation of vehicle: left; vehicle velocity: 173 kilometers per hour