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There are so many cars on the highway that I cannot recognize but I think there is a Silver Audi A four Cabriolet driving LEFT with 31 km/h and a pitch dark BMW Z four
 roadster: Audi A four Cabriolet; roadster: BMW Z four
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:
 roadster: Audi A four Cabriolet; roadster: BMW Z four