Objects in the image:
category: person
category: chair
category: person
category: chair
category: person
category: potted plant
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: chair
category: person
category: skateboard
category: potted plant
category: potted plant
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it a skateboard?
a: No
q: is it in the background?
a: Yes
q: is it a chair?
a: Yes
q: is it a chair on which a man in red is sitting?
a: No
q: is it the chair on which a man in green and a cap is sitting?
a: No
q: is it a chair on which a man in blue jeans is sitting?
a: Yes