( ( ( ( photosynthesis ( ( A ( chemical process ) ) ( used ( by plants ) ) ) ) and ) ( algae ( to ( ( ( ( make ( ( glucose and ) oxygen ) ) ( from ( carbon ( ( dioxide and ) water ) ) ) ) , ) ( using ( light energy ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VB photosynthesis) (NP (NP (DT A) (JJ chemical) (NN process)) (VP (VBN used) (PP (IN by) (NP (NNS plants)))))) (CC and) (VP (VB algae) (S (VP (TO to) (VP (VB make) (NP (NN glucose) (CC and) (NN oxygen)) (PP (IN from) (NP (NN carbon) (NN dioxide) (CC and) (NN water))) (, ,) (S (VP (VBG using) (NP (JJ light) (NN energy))))))))) (. .)))
photosynthesis A chemical process used by plants and algae to make glucose and oxygen from carbon dioxide and water, using light energy.
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ converts) (NP (NN carbon) (NN dioxide) (CC and) (NN water)) (PP (IN into) (NP (NN glucose)))) (. .)))