Objects in the image:
category: car
category: boat
category: boat
category: boat
category: boat
category: boat
category: person
category: person
category: person
category: boat
category: bench
category: car
category: boat
category: person
category: boat
category: person
category: boat

Guessing-game dialogue about one of the objects:
q: Is it a boat?
a: No
q: Is it a building?
a: No
q: Is it part of a building?
a: No
q: Is it part of a boat?
a: No
q: Is it a tree?
a: No
q: Is it on the pier?
a: No
q: Is it a person?
a: No
q: Is it in the water?
a: No
q: Is it a lamp?
a: No
q: Is it a fence?
a: No
q: Is it the water?
a: No
q: Is it in the right half of this picture?
a: No
q: Is it in the left-bottom quadrant of this picture?
a: Yes
q: Is in front of the building?
a: Yes
q: Is it to the right of the bigger boat?
a: Yes
q: Is it a car?
a: Yes