Objects in the image:
category: surfboard
category: surfboard
category: person
category: person
category: surfboard
category: person
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 human?
a: No
q: is it a surf board?
a: Yes
q: is the board touching the ground?
a: Yes
q: is the board in the hands of the last person who stands single?
a: No
q: is it in the hands of the person with red top?
a: No
q: is it in the hands of the person who is one among the two standing together?
a: Yes
q: is it white in colour?
a: Yes
q: is the surf board fully visible?
a: No
q: is it in the hands of the person who is to the side of the sea?
a: Yes