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

Guessing-game dialogue about one of the objects:
q: is it a car?
a: No
q: is a person?
a: No
q: is it a truck?
a: Yes
q: the whole truck carrying the car?
a: Yes