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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it the fire truck?
a: No
q: white van to truck's left?
a: No
q: white car fully visible to truck's right?
a: Yes