Objects in the image:
category: bus
category: person
category: person
category: person
category: backpack
category: person
category: suitcase
category: person
category: person
category: person
category: person
category: suitcase
category: backpack

Guessing-game dialogue about one of the objects:
q: Is a person?
a: Yes
q: Are they walking? On the bridge?
a: Yes
q: Is it the guy that is near the train?
a: No
q: Is it the guy that is behind him?
a: Yes
q: All of him?
a: Yes