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

Guessing-game dialogue about one of the objects:
q: is a racket?
a: No
q: is a person?
a: Yes
q: inside the court?
a: No
q: in the left side of image?
a: Yes
q: is a female?
a: Yes
q: is adult?
a: Yes
q: with cap / hat?
a: Yes
q: cap is red?
a: No
q: in the first row near to the fence?
a: Yes
q: the left end person with green dress?
a: No
q: the cap is white?
a: No
q: so it is an adult female, in the 1st row from fence, with a cap, in the left half of image. is this right?
a: Yes
q: Is it one of the 10 people from the left?
a: Yes
q: is with sun glasses?
a: Yes
q: just behind the player's raised left thumb?
a: No