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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a tennis racket?
a: Yes
q: is it the racket held by the man wearing the white hat?
a: Yes