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

Guessing-game dialogue about one of the objects:
q: is it the signal?
a: No
q: is it a car?
a: No
q: is it a tree?
a: No
q: is it a traffic light?
a: Yes
q: is it green?
a: Yes
q: there is a green sign boar above it?
a: N/A
q: is it the left most?
a: No
q: is it second from left?
a: Yes