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

Guessing-game dialogue about one of the objects:
q: is it a light post?
a: No
q: is it a traffic light?
a: Yes
q: is it green?
a: Yes
q: is it on the left side of the picture?
a: Yes
q: is it the bigger one of the two on the left?
a: Yes