Objects in the image:
category: keyboard
category: keyboard
category: mouse
category: laptop

Guessing-game dialogue about one of the objects:
q: on our left?
a: No
q: keyboard / ?
a: No
q: desk / ?
a: No
q: black thing on right corner of desk?
a: No
q: laptop / ?
a: Yes
q: all / ?
a: Yes