( Photosynthesis ( ( ( converts ( ( the energy ) ( of ( the sun ) ) ) ) ( into ( ( chemical energy ) ( held ( within ( ( the bonds ) ( of ( compounds ( such ( as glucose ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ converts) (NP (NP (DT the) (NN energy)) (PP (IN of) (NP (DT the) (NN sun)))) (PP (IN into) (NP (NP (NN chemical) (NN energy)) (VP (VBN held) (PP (IN within) (NP (NP (DT the) (NNS bonds)) (PP (IN of) (NP (NP (NNS compounds)) (PP (JJ such) (IN as) (NP (NN glucose))))))))))) (. .)))
Photosynthesis converts the energy of the sun into chemical energy held within the bonds of compounds such as glucose.
(ROOT (S (PP (IN During) (NP (NN photosynthesis))) (, ,) (NP (NP (NN energy)) (PP (IN from) (NP (DT the) (NN sun)))) (VP (VBZ is) (VP (VBN converted) (PP (TO to) (NP (NN glucose))) (PP (IN after) (S (VP (VBG entering) (NP (DT a) (NN plant))))))) (. .)))