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

Guessing-game dialogue about one of the objects:
q: is a vehicle?
a: No
q: is a person?
a: Yes
q: inside the tram?
a: Yes
q: driver ??
a: Yes