( Plants ( ( ( ( ( ( take ( in ( carbon dioxide ) ) ) ( from ( the air ) ) ) and ) ( , ( ( through photosynthesis ) , ) ) ) ( ( ( convert it ) ( to glucose ) ) ( , ( while ( ( releasing oxygen ) ( as ( a ( waste product ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Plants)) (VP (VP (VB take) (PP (IN in) (NP (NN carbon) (NN dioxide))) (PP (IN from) (NP (DT the) (NN air)))) (CC and) (PRN (, ,) (PP (IN through) (NP (NN photosynthesis))) (, ,)) (VP (VB convert) (NP (PRP it)) (PP (TO to) (NP (NN glucose))) (PRN (, ,) (IN while) (S (VP (VBG releasing) (NP (NN oxygen)) (PP (IN as) (NP (DT a) (NN waste) (NN product)))))))) (. .)))
Plants take in carbon dioxide from the air and, through photosynthesis, convert it to glucose, while releasing oxygen as a waste product.
(ROOT (S (NP (NNS Photosynthesis)) (VP (VBZ converts) (NP (NN carbon) (NN dioxide) (CC and) (NN water)) (PP (IN into) (NP (NN glucose)))) (. .)))