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

Guessing-game dialogue about one of the objects:
q: is it a animal?
a: No
q: is it a vehicle?
a: Yes
q: is it the mail truck?
a: No
q: is it the white van?
a: No
q: is it the truck that is in front of the mail truck?
a: Yes