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

Guessing-game dialogue about one of the objects:
q: is it green?
a: No
q: is it traffic light?
a: Yes
q: Is it near blue sign?
a: No
q: Is it near white sign?
a: Yes
q: Does it have different parts?
a: No
q: It's all three light in one object?
a: Yes