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: sports ball
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is a human?
a: Yes
q: is the lady player?
a: No
q: is one of the black shirts in background?
a: Yes
q: from right side the first one?
a: Yes