Objects in the image:
category: person
category: traffic light
category: traffic light
category: traffic light
category: bicycle
category: train
category: bicycle
category: traffic light

Guessing-game dialogue about one of the objects:
q: is it to the left of the train?
a: Yes
q: is it a person?
a: No
q: is it a bicycle?
a: Yes
q: of the boy?
a: Yes