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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person hitting an overhead shot?
a: No
q: is the person on the side of the net by himself?
a: Yes