At the top of a sloping driveway, the stately Edwardian structure that was the original university building presides over the institution's newer buildings.
At the bottom of the driveway is the original university building.  
mnli hypothesis: At the bottom of the driveway is the original university building.   premise: At the top of a sloping driveway, the stately Edwardian structure that was the original university building presides over the institution's newer buildings.