Objects in the image:
category: traffic light
category: car
category: traffic light
category: car
category: car
category: person
category: truck
category: traffic light
category: truck
category: car
category: car
category: car
category: traffic light
category: car
category: traffic light
category: car
category: car
category: car
category: car

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is car ,?
a: N/A
q: i like truck in left front?
a: Yes