Objects in the image:
category: train
category: person
category: person
category: bus
category: bus
category: train
category: bicycle
category: person
category: person
category: car

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a red bus?
a: No
q: is it a train?
a: No
q: is it the passenger van?
a: No
q: is it green?
a: No
q: is it a car?
a: Yes
q: is it behind a red and white bus?
a: Yes