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

Guessing-game dialogue about one of the objects:
q: is it sky?
a: No
q: is it flight?
a: Yes
q: is it white in color?
a: No
q: is it in center?
a: No
q: is it downwards?
a: No
q: is it blue in color?
a: Yes
q: is it upwards?
a: Yes