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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is a tennis racquet?
a: No
q: a tennis ball?
a: No
q: is it the green sign?
a: No
q: the white headband?
a: No
q: is it being worn by someone?
a: Yes
q: worn by the tennis player?
a: No
q: is it sunglasses?
a: No
q: is it a hat?
a: No
q: is it on the left side of screen?
a: Yes
q: the far left?
a: No
q: Is it a necktie?
a: Yes
q: red one being worn by judge?
a: No
q: black on at top?
a: Yes