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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it an item being held or worn?
a: Yes
q: is it a tennis racket?
a: Yes
q: is it in the right picture?
a: Yes
q: is it being held by the man in orange with no hat?
a: No
q: is it being held by the man in orange with a hat?
a: No
q: is it being held by the guy in white?
a: Yes