But we don't rule out regulation in the future if industry fails to do a good job of policing itself.
( But ( we ( ( ( do n't ) ( ( ( rule out ) ( regulation ( in ( the future ) ) ) ) ( if ( industry ( fails ( to ( do ( ( a ( good job ) ) ( of ( policing itself ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (CC But) (NP (PRP we)) (VP (VBP do) (RB n't) (VP (VB rule) (PRT (RP out)) (NP (NP (NN regulation)) (PP (IN in) (NP (DT the) (NN future)))) (SBAR (IN if) (S (NP (NN industry)) (VP (VBZ fails) (S (VP (TO to) (VP (VB do) (NP (NP (DT a) (JJ good) (NN job)) (PP (IN of) (S (VP (VBG policing) (NP (PRP itself)))))))))))))) (. .)))
Regulation is a possibility because lawmakers are changing their opinions.
( Regulation ( ( ( is ( a possibility ) ) ( because ( lawmakers ( are ( changing ( their opinions ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Regulation)) (VP (VBZ is) (NP (DT a) (NN possibility)) (SBAR (IN because) (S (NP (NNS lawmakers)) (VP (VBP are) (VP (VBG changing) (NP (PRP$ their) (NNS opinions))))))) (. .)))