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

Guessing-game dialogue about one of the objects:
q: is it the train?
a: Yes
q: is it the whole train?
a: Yes