Objects in the image:
category: boat
category: boat
category: person
category: skis
category: person
category: person
category: boat
category: person
category: person
category: boat
category: snowboard
category: person
category: person

Guessing-game dialogue about one of the objects:
q: person .?
a: No
q: a vehicle?
a: Yes
q: speed boat .?
a: Yes
q: the red one?
a: Yes