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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person in the water?
a: No
q: red shirt and black shorts?
a: No
q: Are they holding a surfboard, on the right side of the photo?
a: No
q: Is it the boy on his knees with the blue shorts and green shirt?
a: Yes