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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a plant?
a: No
q: Is it a sign?
a: No
q: Is it green?
a: No
q: Is it a mirror?
a: No
q: is it in the background?
a: No
q: is it a vehicle?
a: Yes