Situation: I am sitting in the chair at the end of the back row of chairs that is closest to the table.
Alternative situations: I am sitting on 4 rows of chairs, right side yawning as I gaze in front of me, I can see a backpack that is blue to my right. I am sitting on chair 4th row, one closest to the aisle , talking to a friend on the chair to my left ,
Question: How many rows of chairs are behind me?