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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: something the person is wearing?
a: No
q: something the person is HOLDING?
a: No
q: the pink towel thing?
a: No
q: the blue banner?
a: No
q: is it any part of the ground?
a: No
q: the ball??
a: Yes