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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he wearing a helmet?
a: No
q: is it the man with the sunglasses?
a: No
q: is it the one in the very back?
a: Yes