( ( During photosynthesis ) ( , ( sunlight ( ( ( changes ( water ( and ( carbon dioxide ) ) ) ) ( into ( ( glucose and ) oxygen ) ) ) . ) ) ) )
(ROOT (S (PP (IN During) (NP (NN photosynthesis))) (, ,) (NP (NN sunlight)) (VP (VBZ changes) (NP (NN water) (CC and) (NN carbon) (NN dioxide)) (PP (IN into) (NP (NN glucose) (CC and) (NN oxygen)))) (. .)))
During photosynthesis, sunlight changes water and carbon dioxide into glucose and oxygen.
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ converts) (NP (NN carbon) (NN dioxide) (CC and) (NN water)) (PP (IN into) (NP (NN glucose)))) (. .)))