Objects in the image:
category: traffic light
category: car
category: car
category: car
category: fire hydrant
category: traffic light
category: traffic light
category: truck

Guessing-game dialogue about one of the objects:
q: Does it have a light?
a: Yes
q: Is it a vehicle?
a: No
q: Is it the street light?
a: No
q: One of the traffic lights?
a: Yes
q: Is it for pedestrians?
a: No
q: Is it red?
a: No
q: Is it green?
a: Yes
q: The whole traffic light?
a: Yes