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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are the on the steps?
a: No
q: are they on the upper level?
a: Yes
q: are they wearing a hat?
a: No
q: are they by the "cityrail" sign?
a: No
q: are they by the top of the steps?
a: Yes
q: is it the woman in white pants?
a: No
q: is it the man in the purple shirt with his right hand on the the rail?
a: Yes
q: beside the yellow sign?
a: Yes