Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: tennis racket
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 the player in red?
a: No
q: is it the ball boy/girl kneeling in a blue top?
a: No
q: is it one op the people in the audience?
a: Yes
q: is the person wearing red?
a: No
q: is the person wearing white or a light color?
a: No
q: is it to the left?
a: Yes
q: it is a person wearing a dark color in the left half of the audience?
a: Yes
q: are they near the front?
a: Yes