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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: Are they in the north court?
a: No
q: are they on the left side of the player?
a: No
q: are they wearing red?
a: Yes