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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is that person on the train?
a: Yes
q: is his hand resting on the railing?
a: Yes
q: is he wearing a light blue shirt and a cap?
a: Yes
q: is it the whole person?
a: Yes