Complex sentence: On 7 May the three L class destroyers escorted HMS "Ramillies" to search for an enemy battleship and cruisers-none were found, but "Laforey" sank an enemy submarine.
Split into simpler sentences: On 7 May the three L class destroyers escorted HMS "Ramillies" to search for an enemy battleship and cruisers. None were found, but "Laforey" sank an enemy submarine.