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

Guessing-game dialogue about one of the objects:
q: it is a person?
a: No
q: is it a vehicle?
a: No
q: is it the door?
a: No
q: is it white?
a: Yes
q: it is the building?
a: No
q: is it the mans shirt?
a: No
q: is it the bell?
a: No
q: is it in the background?
a: No
q: it a person wearing it?
a: Yes
q: is it the backpack?
a: Yes