( Cells ( ( contain ( ( ( a set ) ( of ( observable structures ) ) ) ( called ( ( organelles ( -LRB- ( ( ( ( ( ( ( ( ( ( ( ( e.g. , ) ( cell wall ) ) , ) ( cell membrane ) ) , ) nucleus ) , ) chloroplast ) , ) and ) vacuole ) -RRB- ) ) ) ( that ( control ( ( the ( various functions ) ) ( of ( ( ( ( ( ( the cell ) ( such ( as ( structural support ) ) ) ) , ) ( exchange ( of ( ( ( materials , ) photosynthesis ) , ) ) ) ) and ) ( storage ( of ( essential materials ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Cells)) (VP (VBP contain) (SBAR (S (NP (NP (DT a) (NN set)) (PP (IN of) (NP (JJ observable) (NNS structures)))) (VP (VBD called) (NP (NP (NNS organelles)) (PRN (-LRB- -LRB-) (NP (NP (NNP e.g.)) (, ,) (NP (NN cell) (NN wall)) (, ,) (NP (NN cell) (NNS membrane)) (, ,) (NP (NN nucleus)) (, ,) (NP (NN chloroplast)) (, ,) (CC and) (NP (NN vacuole))) (-RRB- -RRB-)) (SBAR (WHNP (WDT that)) (S (VP (VBP control) (NP (NP (DT the) (JJ various) (NNS functions)) (PP (IN of) (NP (NP (NP (DT the) (NN cell)) (PP (JJ such) (IN as) (NP (JJ structural) (NN support)))) (, ,) (NP (NP (NN exchange)) (PP (IN of) (NP (NP (NNS materials)) (, ,) (NP (NN photosynthesis)) (, ,)))) (CC and) (NP (NP (NN storage)) (PP (IN of) (NP (JJ essential) (NNS materials))))))))))))))) (. .)))
Cells contain a set of observable structures called organelles (e.g., cell wall, cell membrane, nucleus, chloroplast, and vacuole) that control the various functions of the cell such as structural support, exchange of materials, photosynthesis, and storage of essential materials.
(ROOT (S (NP (NP (DT The) (NN name)) (PP (IN for) (NP (NP (JJ membrane-bound) (NNS sacs)) (SBAR (WHNP (WDT that)) (S (VP (VBP function) (PP (IN in) (NP (NN storage) (CC and) (NN transport))))))))) (VP (VBZ is) (ADJP (JJ vacuoles))) (. .)))