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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he standing on the wave?
a: No
q: is it female?
a: N/A
q: is he located in the left corner?
a: No
q: is he located in the middle?
a: Yes
q: holding yellow board?
a: No
q: swimming near the blue board?
a: Yes