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

Guessing-game dialogue about one of the objects:
q: Is it a plane?
a: Yes
q: IS it the largest plane?
a: No
q: is it one of the three planes in background?
a: Yes
q: is it facing the left side of picture?
a: Yes
q: Is the whole plane in the picture?
a: Yes