Objects in the image:
category: person
category: chair
category: person
category: person
category: potted plant
category: person
category: tennis racket
category: person
category: potted plant
category: person
category: person
category: potted plant
category: person
category: chair

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it front one?
a: No
q: is it in left?
a: Yes
q: is he alone in back?
a: Yes