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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a track?
a: Yes
q: is it in the left part of the image?
a: Yes
q: is it the white big track i can see? upfront?
a: Yes