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

Guessing-game dialogue about one of the objects:
q: is it front?
a: No
q: is it person?
a: No
q: is it in left?
a: No
q: is it car?
a: N/A
q: is it van?
a: N/A
q: is it vehicle?
a: Yes
q: is in right?
a: No
q: is in middle?
a: Yes
q: is in backmost?
a: No
q: is in near the building?
a: No
q: is it near the green line in middle?
a: Yes
q: is it in last row in that line?
a: No
q: is in middle?
a: Yes
q: is it black?
a: No
q: is in white?
a: Yes
q: is it big one?
a: N/A
q: is it vertically?
a: No
q: is it 4th from left in middle?
a: Yes