Objects in the image:
category: person
category: person
category: skis
category: person
category: surfboard
category: skis
category: skis
category: person
category: person
category: person
category: skis
category: person
category: skis
category: person
category: skis
category: person
category: person
category: skis
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 it in the hands of the first person from left?
a: No
q: second person from left?
a: No
q: hands of third person from left?
a: No
q: fourth person from left?
a: No
q: fifth person from left?
a: No
q: sixth person from left?
a: No
q: is it a human?
a: No
q: is it a surfboard?
a: Yes
q: is it in the hands of the first person from right?
a: No
q: is it in the hands of first person from left?
a: No
q: second person from left?
a: No
q: third person from left?
a: No
q: forth from left?
a: No
q: fifth from left?
a: No
q: sixth from left?
a: No
q: seventh from left?
a: No
q: eighth from left?
a: Yes