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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it the dog?
a: No
q: is it a car?
a: Yes
q: the red car?
a: No
q: the white one?
a: No
q: the blue one hidden?
a: Yes