The day may well come, as Barlow and Dyson seem to believe, when book publishers as we know them will disappear.
( ( The day ) ( ( ( may well ) ( ( ( ( come , ) ( as ( ( ( Barlow and ) Dyson ) ( seem ( to believe ) ) ) ) ) , ) ( when ( ( ( book publishers ) ( as we ) ) ( know ( them ( will disappear ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN day)) (VP (MD may) (ADVP (RB well)) (VP (VB come) (, ,) (SBAR (IN as) (S (NP (NNP Barlow) (CC and) (NNP Dyson)) (VP (VBP seem) (S (VP (TO to) (VP (VB believe))))))) (, ,) (SBAR (WHADVP (WRB when)) (S (NP (NP (NN book) (NNS publishers)) (PP (IN as) (NP (PRP we)))) (VP (VBP know) (SBAR (S (NP (PRP them)) (VP (MD will) (VP (VB disappear)))))))))) (. .)))
Barlow and Dyson do not believe that book publishers have the possibility of disappearing.
( ( ( Barlow and ) Dyson ) ( ( ( do not ) ( believe ( that ( ( book publishers ) ( have ( ( the possibility ) ( of disappearing ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Barlow) (CC and) (NNP Dyson)) (VP (VBP do) (RB not) (VP (VB believe) (SBAR (IN that) (S (NP (NN book) (NNS publishers)) (VP (VBP have) (NP (NP (DT the) (NN possibility)) (PP (IN of) (NP (VBG disappearing))))))))) (. .)))