sentence1_binary_parse: ( Meanwhile ( , ( Bittman ( ( discovers ( ( ( that ( ( ( extracting ( natural gas ) ) ( through ( fracking delays ) ) ) ( ( our transition ) ( to ( renewable energy ) ) ) ) ) and ) ( that ( ( fracking wells ) ( leak ( ( a ( large amount ) ) ( of ( ( ( ( methane , ) ( a ( powerful ( greenhouse gas ) ) ) ) , ) ( which ( makes ( ( fracked ( natural gas ) ) ( as ( dirty ( ( as ( , ( or ( ( dirtier than ) , ) ) ) ) ( burning coal ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
sentence1_parse: (ROOT (S (ADVP (RB Meanwhile)) (, ,) (NP (NNP Bittman)) (VP (VBZ discovers) (SBAR (SBAR (IN that) (S (VP (VBG extracting) (NP (JJ natural) (NN gas)) (PP (IN through) (NP (VBG fracking) (NNS delays)))) (NP (NP (PRP$ our) (NN transition)) (PP (TO to) (NP (JJ renewable) (NN energy)))))) (CC and) (SBAR (IN that) (S (NP (VBG fracking) (NNS wells)) (VP (VBP leak) (NP (NP (DT a) (JJ large) (NN amount)) (PP (IN of) (NP (NP (NN methane)) (, ,) (NP (DT a) (JJ powerful) (NN greenhouse) (NN gas)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ makes) (S (NP (JJ fracked) (JJ natural) (NN gas)) (ADJP (RB as) (JJ dirty) (PP (IN as) (PRN (, ,) (CC or) (VP (VBP dirtier) (ADVP (IN than))) (, ,)) (S (VP (VBG burning) (NP (NN coal)))))))))))))))))) (. .)))
sentence1: Meanwhile, Bittman discovers that extracting natural gas through fracking delays our transition to renewable energy and that fracking wells leak a large amount of methane, a powerful greenhouse gas, which makes fracked natural gas as dirty as, or dirtier than, burning coal.
sentence2_parse: (ROOT (S (NP (NNP Fracking)) (VP (VBZ delivers) (NP (JJ natural) (NN gas)) (PP (IN from) (NP (NP (NN rock)) (SBAR (WHNP (WDT that)) (S (VP (MD might) (RB not) (ADVP (RB otherwise)) (VP (VB be) (ADJP (JJ obtainable))))))))) (. .)))
sentence2: Fracking delivers natural gas from rock that might not otherwise be obtainable.