( Chlorophyll ( ( is ( ( a ( green pigment ) ) ( in ( plants ( that ( ( enables ( ( photosynthesis , ) ( ( the conversion ) ( of ( carbon ( ( dioxide and ) water ) ) ) ) ) ) ( to ( ( ( glucose and ) oxygen ) ( using sunlight ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Chlorophyll)) (VP (VBZ is) (NP (NP (DT a) (JJ green) (NN pigment)) (PP (IN in) (NP (NP (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBZ enables) (NP (NP (NN photosynthesis)) (, ,) (NP (NP (DT the) (NN conversion)) (PP (IN of) (NP (NN carbon) (NN dioxide) (CC and) (NN water))))) (PP (TO to) (NP (NP (NN glucose) (CC and) (NN oxygen)) (VP (VBG using) (NP (NN sunlight)))))))))))) (. .)))
Chlorophyll is a green pigment in plants that enables photosynthesis, the conversion of carbon dioxide and water to glucose and oxygen using sunlight.
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ converts) (NP (NN carbon) (NN dioxide) (CC and) (NN water)) (PP (IN into) (NP (NN glucose)))) (. .)))