Simplify the following text for a Grade 8 native English-speaking person.
Original: The boundary between Lewis and Harris is formed by a line with Loch Resort ( Reasort ) ( opposite Scarp ) on the west and Loch Seaforth ( Shiphoirt ) on the east .
Simplified: The boundary between Lewis and Harris is formed by a line with Loch Resort on the west and Loch Seaforth on the east .