( Plants ( ( ( require ( water ( , ( ( soil and ) sunlight ) ) ) ) ( to grow ) ) . ) )
(ROOT (S (NP (NNS Plants)) (VP (VBP require) (NP (NN water) (, ,) (NN soil) (CC and) (NN sunlight)) (S (VP (TO to) (VP (VB grow))))) (. .)))
Plants require water, soil and sunlight to grow.
(ROOT (S (NP (NNP Gravitropism)) (VP (VBZ ensures) (SBAR (SBAR (IN that) (S (NP (NNS roots)) (VP (VBP grow) (PP (IN into) (NP (DT the) (NN soil)))))) (CC and) (SBAR (IN that) (S (NP (NNS shoots)) (VP (VBP grow) (PP (IN toward) (NP (NN sunlight)))))))) (. .)))