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

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