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

Guessing-game dialogue about one of the objects:
q: a ball?
a: N/A
q: the man in the middle?
a: No
q: a person?
a: No
q: a racket?
a: No
q: the banner?
a: No
q: something in the banner?
a: N/A
q: pink ??
a: No
q: white ??
a: No
q: blue ??
a: No
q: yellow ??
a: Yes
q: the yellow ball on the square at right?
a: Yes