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

Guessing-game dialogue about one of the objects:
q: is it in front?
a: No
q: is it in left?
a: Yes
q: is it person?
a: Yes
q: is it black?
a: No
q: is inside the train?
a: No
q: is in backmost?
a: Yes
q: i in white?
a: Yes
q: is getting into train?
a: N/A
q: is near the train?
a: Yes