Original sentence: The Loch Ness Monster—sometimes called Nessie—is a creature or group of creatures said to live in Loch Ness, a deep freshwater loch (lake) near the city of Inverness
Edited sentence: The Loch Ness Monster—sometimes called Nessie—is a creature or group of creatures known to live in Loch Ness, a deep freshwater loch (lake) near the city of Inverness