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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: do they have a red/white shirt?
a: No
q: solid blue shirt?
a: No
q: a blue/white shirt?
a: Yes