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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: something someone is holding?
a: Yes
q: the big board?
a: No
q: is it something the person in green is holding?
a: No
q: the person in orange?
a: No
q: the one in yellow?
a: No
q: then the person in blue is holding it?
a: Yes
q: is it a surfboard?
a: Yes