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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is they wearing dark cloths?
a: No
q: Is it the tennis player wearing a white shirt and black shorts in the foreground?
a: Yes