Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: train
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 they on the platform?
a: No
q: are they in the front of train?
a: Yes
q: are they on the right?
a: N/A
q: are they in the middle?
a: Yes