Objects in the image:
category: tennis racket
category: person
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 a person?
a: No
q: is a racket?
a: Yes
q: held by the yellow shirt person?
a: Yes