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

Guessing-game dialogue about one of the objects:
q: is it the train?
a: No
q: is it person?
a: Yes
q: is it the person driving the train?
a: No
q: is it a person to the right of the driver?
a: Yes
q: is it female?
a: Yes
q: does she have on a white shirt?
a: No
q: is it the roman partially seen behind the driver on the right side?
a: No
q: is it the girl all the way in the back?
a: Yes