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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a visor?
a: No
q: is it a chair?
a: Yes
q: is it in the front row?
a: No
q: does it have the red back pack in it?
a: No
q: is it the one to the right on the one with the back pack?
a: Yes