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

Guessing-game dialogue about one of the objects:
q: it is a moto?
a: No
q: a person?
a: No
q: Can you see the white truck behind the white trailer?
a: Yes
q: the white one ,?
a: Yes