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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a person?
a: No
q: is it a car?
a: No
q: is it on right side?
a: No
q: is it on the vehicle?
a: No
q: is it on left side of image?
a: Yes
q: Is it like a tank?
a: No
q: is it a traffic signal?
a: Yes