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

Guessing-game dialogue about one of the objects:
q: is it one of the planes?
a: No
q: is it one of the cones?
a: No
q: one of the luggage carts?
a: Yes
q: the red one?
a: No
q: the white one?
a: No
q: the dark gray one on the left at the back of the plane?
a: Yes