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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a motorcycle?
a: No
q: is it a big truck?
a: Yes
q: is it the black on behind the green one?
a: No
q: is it the green one?
a: Yes