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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: on the left side of the train?
a: Yes
q: are they wearing white shirt?
a: No
q: is it the guy in between the two guys with white shirts?
a: Yes