Objects in the image:
category: car
category: truck
category: potted plant
category: car
category: person
category: person
category: potted plant
category: car
category: potted plant
category: potted plant
category: potted plant
category: potted plant
category: car
category: car
category: stop sign
category: train
category: car
category: potted plant
category: car
category: potted plant

Guessing-game dialogue about one of the objects:
q: a vehicle?
a: Yes
q: a person?
a: No
q: a flag?
a: No
q: a train or part of it?
a: Yes
q: the whole train?
a: Yes