( ( In ( the ( complicated plants ) ) ) ( , ( ( most ( of ( ( the inside ) ( of ( a ( plant cell ) ) ) ) ) ) ( ( is ( ( taken up ) ( by ( a ( central vacuole ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT the) (JJ complicated) (NNS plants))) (, ,) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN inside)) (PP (IN of) (NP (DT a) (NN plant) (NN cell)))))) (VP (VBZ is) (VP (VBN taken) (PRT (RP up)) (PP (IN by) (NP (DT a) (JJ central) (NN vacuole))))) (. .)))
In the complicated plants, most of the inside of a plant cell is taken up by a central vacuole.
(ROOT (S (NP (DT The) (NN cell) (NN sap)) (VP (VBZ is) (NP (NP (DT the) (NN liquid)) (PP (IN inside) (NP (DT the) (JJ central) (NN vacuole))))) (. .)))