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 it a person?
a: Yes
q: on the right of the car in the middle of the picture?
a: Yes