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

Guessing-game dialogue about one of the objects:
q: is it in focus?
a: Yes
q: is it the whole motorcycle?
a: No
q: is it part of the motorcycle?
a: No
q: is it the person riding the motorcycle?
a: No
q: is the person wearing it?
a: Yes
q: is it a backpack?
a: Yes