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

Guessing-game dialogue about one of the objects:
q: is it a signal?
a: No
q: is it a vehicle?
a: Yes
q: near signal light?
a: No
q: right of image?
a: Yes
q: far left?
a: No
q: black colour?
a: Yes