2031
Let the clever boy help find out the Black Audi A5 and aqua-green Audi A1 in the lower-part of
 Black, Audi, A5, aqua-green, Audi, A1, lower-part of
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:
 Black, Audi, A5, aqua-green, Audi, A1, lower-part of