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

Guessing-game dialogue about one of the objects:
q: a person?
a: Yes
q: player in red?
a: No
q: on left?
a: Yes
q: sitting ??
a: No
q: guy at extreme left?
a: No