Task: Explanation
Input (English): Old Slains Castle (otherwise known as Old Castle Slains) is a ruined castle near Collieston in Aberdeenshire, Scotland. Question: Old Slains Castle is a ruined castle near Collieston in Aberdeenshire, Scotland that is near another ruined castle called Slains Castle, also known as what? Answer: New Slains Castle
Output (English): Old Slains Castle otherwise known as Old Castle Slains is a ruined castle near Collieston in Aberdeenshire, Scotland.