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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it water?
a: No
q: Is it a vehicle?
a: Yes
q: Is it towing a boat?
a: No
q: Is it above the vehicle towing the boat?
a: No
q: Is it the boat trailer?
a: Yes