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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the little girl with the red and blue jacket on the right?
a: No
q: is it the guy in red on the right hand side?
a: No
q: is it the person behind the little girl?
a: No
q: is it one of the people in the background?
a: Yes
q: is it the one by the red train?
a: Yes