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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it on any of the 3 lanes at our left?
a: Yes
q: is it one in the background in the right 3 lanes?
a: No
q: is it a big truck?
a: Yes
q: is it a white middle size van?
a: No
q: is it at the far left lane?
a: No
q: is it at the middle lane?
a: Yes
q: is it red?
a: No
q: is it a big truck?
a: Yes
q: in the 2nd lane, counting from left?
a: Yes
q: is it white?
a: Yes
q: is it between a black and a red car?
a: No
q: is it in the foreground, next to a similar truck in the far left lane?
a: No
q: is the  white one next to blue truck on left lane?
a: No
q: is it a White big vehicle?
a: Yes
q: on the central lane from the 3 lanes in the left?
a: Yes
q: is it the 3rd one, counting from foreground, after 2 red cars?
a: No
q: is the one around 7 vehicles after it?
a: Yes