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

Guessing-game dialogue about one of the objects:
q: is it the person?
a: Yes
q: is it the tennis player?
a: No
q: is it the guy in white on the left hand side?
a: No
q: is it the woman wearing white next to him?
a: No
q: is it the woman next to her wearing the straw hat?
a: No
q: is it the next person wearing a white hat?
a: Yes