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 used to pass over water?
a: N/A
q: is it illuminated?
a: No
q: is it floating on water?
a: No
q: is it on the bridge?
a: Yes
q: is it a vehicle?
a: Yes
q: is it a bus?
a: No
q: is it a car?
a: No
q: is it motorized?
a: Yes