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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: on the bridge?
a: Yes
q: is it the person climbing the stairs with a backpack?
a: No
q: is it wearing blue shirt and white trousers?
a: No
q: is it wearing orange/khaki trousers?
a: No
q: Is it the little boy to the left and behind a post?
a: No
q: is it one of the four persons in front of him?
a: Yes
q: is it wearing pink?
a: No
q: dark blue shirt?
a: No
q: is it the woman in front with white pants?
a: No
q: Is it the man wearing a black shirt who also appears to be wearing a hat?
a: Yes