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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a train?
a: Yes
q: is it a train in which a boy is sitting?
a: Yes