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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: is it the green car?
a: No
q: the car in the middle?
a: No
q: car on the right?
a: No
q: is it the train front engine?
a: No
q: train passenger part?
a: Yes