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

Guessing-game dialogue about one of the objects:
q: Is it the trolley?
a: Yes
q: Is it left of the trolley?
a: No
q: Is it right of the trolley?
a: Yes
q: Is it a tree?
a: No
q: Is it a pole?
a: No
q: Is it the trolley track?
a: No
q: Is it the building in the background to the right of the trolley?
a: No
q: Is it part of the trolley?
a: No
q: Is it the part of the fence in the background to the right of the trolley?
a: No
q: Is it man-made?
a: No
q: Is it the sky?
a: No
q: Is it a plant?
a: No
q: Is it on the ground?
a: Yes
q: Is it grass?
a: No