( ( Plants cells ) ( ( undergo ( ( a process ) ( ( called photosynthesis ) ( where ( ( ( light energy ) ( from ( the sun ) ) ) ( is ( used ( to ( ( convert ( carbon ( ( dioxide and ) water ) ) ) ( into ( ( glucose and ) oxygen ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Plants) (NNS cells)) (VP (VBP undergo) (SBAR (S (NP (DT a) (NN process)) (VP (VBD called) (NP (NN photosynthesis)) (SBAR (WHADVP (WRB where)) (S (NP (NP (JJ light) (NN energy)) (PP (IN from) (NP (DT the) (NN sun)))) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB convert) (NP (NN carbon) (NN dioxide) (CC and) (NN water)) (PP (IN into) (NP (NN glucose) (CC and) (NN oxygen)))))))))))))) (. .)))
Plants cells undergo a process called photosynthesis where light energy from the sun is used to convert carbon dioxide and water into glucose and oxygen.
(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))))))) (. .)))