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Let the clever boy help find out the GREY Citroen M35 and black Bugatti Type 44
 Citroen M35, Bugatti Type 44
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:
 Citroen M35, Bugatti Type 44