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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it in left?
a: Yes
q: is it in front  one?
a: No
q: Is it a person?
a: Yes
q: Is the person playing tennis?
a: No
q: Is the person wearing shorts?
a: Yes
q: Is the person holding a sign?
a: No
q: Is the person wearing a hat?
a: Yes
q: Is the person wearing black shorts?
a: Yes