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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the one playing with the racket?
a: No
q: the one in the background?
a: Yes
q: Are they wearing a blue-ish top with beige shorts?
a: Yes