Objects in the image:
category: person
category: tennis racket
category: person
category: person
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 it a person?
a: Yes
q: is it the tennis player?
a: No
q: is it the person in the green shirt and khakis?
a: No
q: are they in the stands?
a: Yes
q: are they on the left half?
a: Yes
q: is it the man in the white cap and sunglasses?
a: No
q: the red cap and sunglasses?
a: No
q: the child in the blue cap and sunglasses?
a: Yes