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

Guessing-game dialogue about one of the objects:
q: is it one of the planes?
a: Yes
q: is it the plane at the furthest front of the other planes?
a: No
q: is this plane at the back?
a: Yes
q: is it the plane in the middle?
a: Yes
q: is it the middle plane at the back?
a: Yes