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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: train /?
a: Yes
q: Is it the whole train including the carts?
a: Yes
q: there are two long ones in the middle .... is it one of them?
a: Yes
q: bottom one?
a: Yes