Given 'The castle itself comprises an early 17th-century tower house, restored with Irish oak from the park which is held together without a single nail.', does 'The castle itself does not contain any early 17th-century tower houses.' exist in a neutral realm, neither confirming nor denying the premise?
The castle itself comprises an early 17th-century tower house, restored with Irish oak from the park which is held together without a single nail.###The castle itself does not contain any early 17th-century tower houses.