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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a tennis player?
a: No
q: are they wearing red?
a: No
q: are they wearing yellow?
a: No
q: is it a girl?
a: No
q: are they facing away?
a: No
q: are they wearing a hat?
a: Yes