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

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a bus?
a: No
q: is it a van?
a: No
q: is it the tower?
a: No
q: is it a person?
a: No
q: is it one of the lights?
a: No
q: is it blue?
a: No
q: is it the runway?
a: No
q: the green part on the very bottom?
a: No
q: the black portion the planes are on?
a: No
q: is it white?
a: No
q: is it yellow?
a: No
q: is it on the bottom half of the picture?
a: No
q: is it on the right half of the picture?
a: No
q: so top left?
a: Yes
q: is it the sky?
a: No
q: is it a part of a plane?
a: No
q: is it near a window?
a: No
q: is it  a black truck?
a: Yes
q: finally saw it, left of the white truck?
a: Yes