Objects in the image:
category: chair
category: person
category: bench
category: chair
category: person
category: person
category: person
category: person
category: person
category: person
category: tennis racket
category: person
category: chair
category: person
category: person
category: person
category: chair
category: backpack
category: person

Guessing-game dialogue about one of the objects:
q: Object a human?
a: Yes
q: Object is player?
a: Yes
q: Object holding the bat?
a: Yes