Objects in the image:
category: cell phone
category: cup
category: person
category: person
category: person
category: cell phone
category: mouse
category: cell phone
category: person
category: cell phone
category: cell phone

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it on the wall?
a: No
q: Is it something a person is wearing / holding?
a: No
q: Is it in the case they are leaning on?
a: No
q: Is it on top of the case they are leaning on?
a: No
q: Is it on the shelf in the back?
a: No
q: Is it blue?
a: No
q: Is it green?
a: No
q: Is it a keyboard?
a: No
q: Is it in the right corner of the room?
a: No
q: Is it in the left corner of the room?
a: Yes
q: IS it one of the coats hanging on the shelf?
a: No
q: Is it something on the desk on the left?
a: Yes
q: Is it the desk/table on the left?
a: No
q: Is it the thing directly to the right of the keyboard?
a: No