The line to the White House shelter conference room-and the Vice President- kept cutting off.
( ( ( The line ) ( to ( the ( White ( House ( shelter conference ) ) ) ) ) ) ( ( room-and ( ( ( the ( Vice President ) ) - ) ( kept ( cutting off ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN line)) (PP (TO to) (NP (DT the) (NNP White) (NNP House) (NN shelter) (NN conference)))) (VP (VBD room-and) (NP (NP (DT the) (NNP Vice) (NNP President)) (: -) (VP (VBN kept) (S (VP (VBG cutting) (PRT (RP off))))))) (. .)))
The line to the White House shelter conference room kept him in contact with the President.
( ( ( The line ) ( to ( the ( White ( House ( shelter ( conference room ) ) ) ) ) ) ) ( ( ( ( kept him ) ( in contact ) ) ( with ( the President ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN line)) (PP (TO to) (NP (DT the) (NNP White) (NNP House) (NN shelter) (NN conference) (NN room)))) (VP (VBD kept) (NP (PRP him)) (PP (IN in) (NP (NN contact))) (PP (IN with) (NP (DT the) (NNP President)))) (. .)))