Objects in the image:
category: truck
category: boat
category: bus
category: truck
category: truck
category: bus
category: car
category: car
category: car
category: boat
category: truck
category: car
category: truck
category: car
category: bus
category: traffic light
category: truck

Guessing-game dialogue about one of the objects:
q: is it a car?
a: Yes
q: is it on the bridge?
a: Yes
q: wow, um, is it towards the bottom of the picture?
a: No
q: Is it below the red and green stoplight?
a: No
q: is it in the lane on the far right side?
a: No
q: does it have red lights?
a: No
q: is it white?
a: Yes
q: is it the white car to the right of the bus?
a: No
q: does it have white lights?
a: No
q: Is it the white car with no red or white lights showing?
a: Yes