Objects in the image:
category: train
category: train
category: traffic light
category: train
category: truck
category: traffic light
category: train
category: bus

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a vehicle?
a: Yes
q: is it on the right  side of the image on the road?
a: Yes
q: is it the white on ahead of the blue car?
a: No
q: is it the blue one?
a: Yes