18618
There are so many cars on the highway that I cannot recognize but I think there is a YELLOW Dongfeng Mx6 driving this way with 7 km/h and a lake blue BMW M1 driving this-way at a speed of 73 kilometers per hour
 YELLOW, Dongfeng, Mx6, this way, 7, lake blue, BMW, M1, this-way, 73 kilometers per hour
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:
 YELLOW, Dongfeng, Mx6, this way, 7, lake blue, BMW, M1, this-way, 73 kilometers per hour