Complex sentence: The amphibious Cougar was a direct Fire Support Vehicle (Wheeled) FSV (W) variant of the Armoured Vehicle General Purpose which was based on the Swiss MOWAG 6X6 Piranha hull with a 76 mm main gun mounted in a British FV101 Scorpion Tank turret.
Split into simpler sentences: The amphibious Cougar was a direct Fire Support Vehicle (Wheeled) FSV (W) variant of the Armoured Vehicle General Purpose. It was based on the Swiss MOWAG 6X6 Piranha hull with a 76 mm main gun mounted in a British FV101 Scorpion Tank turret.