Objects in the image:
category: person
category: surfboard
category: person
category: person
category: person
category: surfboard
category: boat
category: person
category: person
category: surfboard
category: person

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a boat?
a: No
q: is it red in color?
a: No
q: is it a surf board?
a: Yes