Objects in the image:
category: sports ball
category: tennis racket
category: person
category: person
category: person
category: tennis racket
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: one in red shirt?
a: No
q: one in blue hitting ball?
a: No
q: is it person just right of blue dress very little seen?
a: Yes