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

Guessing-game dialogue about one of the objects:
q: is a boat?
a: No
q: thing in the boat?
a: No
q: in the back?
a: No
q: is a lamp post?
a: No
q: Is it a boat?
a: No
q: Is it on a boat?
a: No
q: Is it on the pier?
a: Yes
q: Is it a green trash can?
a: No
q: Is it a yellow hose/rope?
a: No
q: Is it a sign?
a: No
q: Is it red?
a: No
q: Is it blue?
a: No
q: Is it something you climb on?
a: No
q: Is it a brick wall?
a: No
q: Is it a bush?
a: No
q: Is it a light post?
a: No
q: Is it a small yellowish orangish object?
a: No
q: Is it the pier?
a: No
q: Is it a wheel?
a: No
q: Is it on the left of the image?
a: Yes
q: Is it a building?
a: No
q: Is it a van?
a: Yes
q: Is the van black with white lettering and a red sign?
a: Yes