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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something a person it holding?
a: Yes
q: is it a tennis racket?
a: Yes