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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it one of the three standing on the court?
a: Yes
q: Is it the one in purple?
a: No
q: Is it the one in red?
a: Yes