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

Guessing-game dialogue about one of the objects:
q: Is it the train itself?
a: No
q: Is it someone/Something on the train?
a: Yes
q: Is it part of the train?
a: No
q: Is it a person?
a: Yes
q: Is it the person in the window above the second wheel from the front?
a: No
q: Is the person at a window?
a: Yes
q: Is the window part of a door?
a: No
q: Is the window to the left of the grey/blue door?
a: No
q: Is the window on the front of the train where the light is?
a: Yes