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

Guessing-game dialogue about one of the objects:
q: is it the trolley?
a: No
q: is it a person?
a: Yes
q: are they on the right of the trolley?
a: Yes
q: is it the woman with the red purse?
a: Yes
q: the whole woman?
a: Yes