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

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a person?
a: Yes
q: are the in the foreground?
a: No
q: are they on the platform?
a: Yes
q: are the next to the train?
a: No
q: are the partially hidden?
a: No
q: are they in a red coat?
a: No
q: a brown coat?
a: Yes
q: right of the person in red coat?
a: Yes