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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they standing on the bridge above?
a: No
q: are they wearing a red jacket?
a: Yes