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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person on the bike?
a: Yes
q: is it the driver?
a: No