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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: in the engine?
a: No
q: in the 1st car?
a: No
q: in the second car?
a: No
q: in the train?
a: Yes