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 is an object?
a: No
q: is it a person?
a: Yes
q: is it a player?
a: No
q: is it in the crowd?
a: Yes
q: is a woman?
a: Yes
q: is wearing glasses?
a: Yes
q: is she wearing white?
a: Yes
q: is she wearing a cap?
a: No
q: is she wearing black shorts?
a: Yes