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

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: a car?
a: Yes
q: is the car in the right side of the picture?
a: Yes
q: Is it the white van near some blue containers in the middle of the picture?
a: No
q: is it one of the two cars in the lower right side?
a: Yes
q: is it the black car near the yellow sign?
a: Yes