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

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a sign?
a: No
q: is it part of a plane?
a: No
q: is it the sky?
a: No
q: is it a building?
a: No
q: is it trees?
a: No
q: is it yellow?
a: No
q: is it blue?
a: No
q: is it red?
a: No
q: Is it black?
a: No
q: is it white?
a: Yes
q: is it a luggage cart?
a: Yes