Objects in the image:
category: car
category: car
category: traffic light
category: book
category: book
category: traffic light
category: car
category: traffic light
category: traffic light
category: car
category: traffic light
category: car

Guessing-game dialogue about one of the objects:
q: Hello, is it a car?
a: Yes
q: is it the gray one before the stop light?
a: Yes