( ( Combustion ( of ( Alkenes ( The alkenes ) ) ) ) ( ( ( ( are ( highly flammable ) ) and ) ( ( burn readily ) ( in ( ( ( air , ) ( forming ( carbon ( ( dioxide and ) water ) ) ) ) , ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Combustion)) (PP (IN of) (NP (NNP Alkenes) (NNP The) (NNS alkenes)))) (VP (VP (VBP are) (ADJP (RB highly) (JJ flammable))) (CC and) (VP (VBP burn) (ADVP (RB readily)) (PP (IN in) (NP (NP (NN air)) (, ,) (VP (VBG forming) (NP (NN carbon) (NN dioxide) (CC and) (NN water))) (, ,))))) (. .)))
Combustion of Alkenes The alkenes are highly flammable and burn readily in air, forming carbon dioxide and water,.
(ROOT (S (NP (NNS Alkenes)) (VP (VBP are) (VP (VBN formed) (PP (IN from) (NP (NP (DT an) (NN alcohol)) (SBAR (WHNP (WDT that)) (S (VP (VBZ loses) (NP (NN water))))))))) (. .)))