Situation: I am on a couch watching some news on the TV in front of me. There is a light over my head.
Alternative situations: I am sitting on the couch, I place my drink on the coffee table in front of me, looking at the books on the shelf and the TV to decide what I want to do. I sit on the edge of the couch and write in a note pad using the coffee table.
Question: How many desks are on my right?