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

Guessing-game dialogue about one of the objects:
q: is it an airplane?
a: No
q: is it  a vehicle?
a: Yes
q: is it white?
a: No
q: does it have lights on top of it?
a: No
q: is it under the first plane from right?
a: No
q: is it a plane?
a: No
q: is it yellow?
a: No
q: does it have wheels?
a: Yes
q: is it the truck underneath the plane on the right?
a: No
q: is it the car underneath the plane on the right?
a: No
q: is it the emergency vehicle in the middle?
a: No
q: is it underneath the second plane from the right?
a: No
q: is it on the left?
a: Yes
q: is it blue?
a: No
q: is it the white vehicle underneath the last plane?
a: No
q: is it a cart?
a: No
q: is it on the plane?
a: No
q: is it white?
a: Yes