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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a motor bike?
a: Yes