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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a chair?
a: Yes
q: the high chair?
a: No