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

Guessing-game dialogue about one of the objects:
q: is it dog?
a: No
q: is it inside the car?
a: No
q: is it a car in background?
a: No
q: is it a vehicle in background?
a: Yes
q: green truck in background?
a: No
q: white tractor trailer?
a: Yes