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

Guessing-game dialogue about one of the objects:
q: is it a car?
a: No
q: is it a signal?
a: No
q: is it a vehicle?
a: No
q: is it a human?
a: Yes
q: is the human behind the car?
a: Yes
q: is the human behind the first grey colour car?
a: Yes