Objects in the image:
category: traffic light
category: traffic light
category: bus
category: traffic light
category: traffic light
category: truck
category: traffic light
category: traffic light
category: traffic light
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 traffic light?
a: No
q: is it vehicle?
a: Yes
q: is it car?
a: No
q: Is it a red GMC truck?
a: Yes
q: in  the left?
a: Yes