Original: The island chain forms part of the Hebrides, separated from the Scottish mainland and from the Inner Hebrides by the stormy waters of the Minch, the Little Minch and the Sea of the Hebrides.
Simplified: They form part of the Hebrides, separated from the Scottish mainland and from the Inner Hebrides by the stormy waters of the Minch, the Little Minch and the Sea of the Hebrides.