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

Guessing-game dialogue about one of the objects:
q: The train?
a: No
q: A Tree?
a: No
q: The sign?
a: No
q: The rail rails?
a: No
q: In the background?
a: No
q: The triangle?
a: No
q: One of the masts?
a: No
q: Is it the train?
a: No
q: Something in the train?
a: Yes
q: A person?
a: Yes
q: In the upper part of the train?
a: Yes
q: The person on the left who's looking through the window?
a: No
q: The one behind him in the white?
a: No
q: Third seat?
a: Yes