And the door into Mr. Inglethorp's room? 
( And ( ( the door ) ( ( into ( ( Mr. ( Inglethorp 's ) ) room ) ) ? ) ) )
(ROOT (FRAG (CC And) (ADVP (DT the) (NN door)) (PP (IN into) (NP (NP (NNP Mr.) (NNP Inglethorp) (POS 's)) (NN room))) (. ?)))
The door into Mr. Inglethorp's room has a strong lock.
( ( ( The door ) ( into ( ( Mr. ( Inglethorp 's ) ) room ) ) ) ( ( has ( a ( strong lock ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN door)) (PP (IN into) (NP (NP (NNP Mr.) (NNP Inglethorp) (POS 's)) (NN room)))) (VP (VBZ has) (NP (DT a) (JJ strong) (NN lock))) (. .)))