Objects in the image:
category: person
category: backpack
category: person
category: person
category: person
category: backpack
category: person
category: person
category: tennis racket
category: person
category: backpack
category: person
category: person
category: person
category: handbag
category: person
category: person
category: person
category: handbag

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: in the middle of the picture is a black line ...is the person on our left of that line?
a: Yes
q: is it the tennis player?
a: No
q: can we see just there head?
a: No
q: are they standing?
a: Yes
q: are they near the tennis player?
a: Yes
q: is it a girl?
a: No
q: is it the guy on top of the players head?
a: No
q: are they to our left of the player?
a: No
q: is it the man standing next to the red head?
a: Yes
q: on our right of her?
a: Yes