Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: umbrella
category: umbrella
category: umbrella
category: sports ball
category: person
category: person
category: sports ball
category: person
category: person
category: sports ball

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person play volleyball?
a: No
q: is the person in red shorts?
a: No
q: is the person behind the blue net?
a: Yes
q: is his hands on his knees?
a: No
q: is he wearing blue shorts?
a: No
q: is it the girl in the bikini?
a: No