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

Guessing-game dialogue about one of the objects:
q: is it glass?
a: Yes
q: is it on the train?
a: Yes
q: does it have a windshield wiper on it?
a: Yes
q: is it on the left?
a: N/A
q: is the window on the front right?
a: No
q: is it the front middle window?
a: No
q: is it the front left window?
a: No
q: is it on the side with the numbers 68006?
a: Yes
q: is it a light?
a: No
q: is it a window pane?
a: No
q: is it a door?
a: No
q: does it have a hose coming from it?
a: Yes
q: does it have 3 hoses?
a: No
q: does it have 2 hoses?
a: Yes
q: is it black?
a: Yes