( ( ( These compounds ) ( are ( intermediates ( in ( reactions ( that ( involve ( ( ( carbon monoxide ) and ) ( carbon dioxide ) ) ) ) ) ) ) ) ) ( , ( ( these species ) ( ( are ( intermediates ( in ( the ( water ( gas ( shift reaction ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (NP (DT These) (NNS compounds)) (VP (VBP are) (ADJP (JJ intermediates) (PP (IN in) (NP (NP (NNS reactions)) (SBAR (WHNP (WDT that)) (S (VP (VBP involve) (NP (NP (NN carbon) (NN monoxide)) (CC and) (NP (NN carbon) (NN dioxide))))))))))) (, ,) (NP (DT these) (NNS species)) (VP (VBP are) (NP (NP (NNS intermediates)) (PP (IN in) (NP (DT the) (NN water) (NN gas) (NN shift) (NN reaction))))) (. .)))
These compounds are intermediates in reactions that involve carbon monoxide and carbon dioxide, these species are intermediates in the water gas shift reaction.
(ROOT (S (NP (NNP Combustion) (NNS reactions)) (VP (VBP involve) (S (NP (NP (DT the) (NN reaction)) (PP (IN of) (NP (NP (DT a) (NN hydrocarbon)) (PP (IN with) (NP (NN oxygen) (NN gas)))))) (VP (TO to) (VP (VB produce) (NP (NN water) (CC and) (NN carbon) (NN dioxide)))))) (. .)))