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

Guessing-game dialogue about one of the objects:
q: a boat?
a: Yes
q: the car shaped front one?
a: No
q: to the left of it?
a: N/A
q: behind it?
a: Yes
q: one of the two boats behind the front car one?
a: Yes
q: white one?
a: No
q: black one?
a: Yes