Situation: I am writing on the whiteboard with a backpack by my left foot.
Alternative situations: I am standing behind the black chair facing opposite of me while reading on the whiteboard my shopping list in front of me with washable marker. I am standing on the backside of a black chair facing the whiteboard , drawing a picture of a beach on the board with my left hand.
Question: What side is the door handle on the door to my left side?