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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a man?
a: N/A
q: is it a person on the right platform?
a: Yes
q: Is it the man with the white backpack?
a: No
q: is he wearing gray shirt?
a: No
q: is he wearing black shirt?
a: Yes
q: is he wearing knee length black coat?
a: No
q: is he between two people wearing light colored shirt?
a: Yes