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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: On the left side of the post?
a: No
q: Are they sitting?
a: Yes
q: The guy with dark pants?
a: No
q: The girl in the dark coat sitting next to him?
a: Yes