Objects in the image:
category: truck
category: car
category: backpack
category: skateboard
category: truck
category: car
category: car
category: car
category: car
category: car
category: car
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: Is it a skateboard?
a: No
q: is it car?
a: Yes
q: does it have its lights on?
a: Yes
q: the one next at the edge of road?
a: Yes