Complex sentence: Perhaps five or ten years later, he added two more rooms to form a typical New England farmhouse with five five windows across the front, a door in the center and a large chimney in the middle of a pitched roof.
Split into simpler sentences: Perhaps five or ten years later, he added two more rooms to form a typical New England farmhouse. Across the front are five windows, with door at center, and large chimney in the middle of a pitched roof.