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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a player?
a: No
q: is the person sitting down on the bench?
a: No
q: on the grass?
a: Yes
q: is the person wearing green?
a: No
q: how about orange/red?
a: No
q: is the person wearing white shirt?
a: Yes
q: is the person at the right?
a: Yes
q: beside a person wearing black?
a: No
q: is the person male?
a: No
q: is the person covering her face?
a: No
q: is she between two guys wearing blue shirts?
a: Yes