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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it dog?
a: No
q: is it a plant?
a: No
q: is it something the person is wearing?
a: No
q: is it the train?
a: Yes
q: the whole train?
a: Yes