Situation: I am walking right between two tables and there is a white board behind me.
Alternative situations: I am standing in middle between two tables on my left and right side and deciding if I should sit on the cubicle desk in front of me. I am standing in between the two tables on my left and right side and pondering if I need to use the desk cubicle in front of me.
Question: What's behind me should I drop some trash?