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

Guessing-game dialogue about one of the objects:
q: is it vehicle?
a: Yes
q: is it a dumptruck?
a: No
q: is it cement mixer?
a: No
q: is it van?
a: Yes
q: is it brown?
a: No
q: is it grey?
a: Yes