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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he black?
a: N/A
q: is he carrying a black suitcase?
a: No
q: is the person under the call box sign?
a: No
q: is the person touching the train?
a: No
q: is the person wearing a red shirt under a jacket?
a: No
q: is the person walking alone?
a: Yes