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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it a racquet?
a: No
q: is it attached to a human?
a: No
q: is it a chair?
a: Yes
q: is it the chair behind the linesman?
a: Yes