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 ( comprises ( an ( early ( 17th-century ( tower house ) ) ) ) ) ) , ) ( ( ( restored ( with ( Irish oak ) ) ) ( from ( ( the park ) ( which ( is ( ( held together ) ( without ( a ( single nail ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN castle)) (PRN (S (NP (PRP itself)) (VP (VBZ comprises) (NP (DT an) (JJ early) (JJ 17th-century) (NN tower) (NN house)))) (, ,)) (VP (VBD restored) (PP (IN with) (NP (JJ Irish) (NN oak))) (PP (IN from) (NP (NP (DT the) (NN park)) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN held) (ADVP (RB together)) (PP (IN without) (NP (DT a) (JJ single) (NN nail)))))))))) (. .)))
Early 17th-century tower house is within the castle, restored with Irish oak from the park, which is held together without a single nail.
( Early ( ( 17th-century ( tower house ) ) ( ( is ( within ( ( ( the castle ) , ) ( ( restored ( with ( Irish oak ) ) ) ( from ( ( ( the park ) , ) ( which ( is ( ( held together ) ( without ( a ( single nail ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Early)) (NP (JJ 17th-century) (NN tower) (NN house)) (VP (VBZ is) (PP (IN within) (NP (NP (DT the) (NN castle)) (, ,) (VP (VBN restored) (PP (IN with) (NP (JJ Irish) (NN oak))) (PP (IN from) (NP (NP (DT the) (NN park)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN held) (ADVP (RB together)) (PP (IN without) (NP (DT a) (JJ single) (NN nail))))))))))))) (. .)))