Objects in the image:
category: person
category: keyboard
category: laptop
category: chair
category: chair
category: person
category: backpack
category: chair
category: person
category: chair
category: keyboard
category: tv
category: chair
category: tv
category: person
category: person

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a monitor?
a: No
q: Is it a chair?
a: No
q: Is it in the right half of the picture?
a: No
q: Is it a desk?
a: No
q: Is it on a person?
a: No
q: Is it a keyboard?
a: Yes
q: The black one on the left desk?
a: Yes