Objects in the image:
category: truck
category: car
category: person
category: truck
category: truck
category: car
category: car
category: car
category: traffic light
category: train
category: truck
category: truck
category: car

Guessing-game dialogue about one of the objects:
q: is it on the left side?
a: Yes
q: Is it a vehicle?
a: Yes
q: is it white?
a: No
q: is it grey?
a: Yes