Objects in the image:
category: train
category: person
category: bicycle
category: backpack

Guessing-game dialogue about one of the objects:
q: is it anything but the man?
a: Yes
q: is it the bike?
a: No
q: is it the train?
a: No
q: is it the man's hat?
a: No
q: it is on the man at all?
a: Yes
q: is it his backpack?
a: Yes