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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: one of the guys playing ball in front?
a: Yes
q: is it a person?
a: Yes
q: in the left end?
a: No
q: in black shorts?
a: No
q: in white shorts?
a: No
q: in red shorts?
a: Yes