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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is the train?
a: No
q: is a boat?
a: No
q: is a car?
a: Yes
q: in the front?
a: N/A
q: in the left half of image?
a: Yes