( ( Most seeds ) ( ( ( need ( soil ( , ( water ( , ( ( sunlight and ) air ) ) ) ) ) ) ( to ( germinate ( -LRB- ( ( ( germinate ( -LRB- ( verb -RRB- ) ) ) ( when ( ( a shoot ) ( starts ( to ( grow ( from ( a seed ) ) ) ) ) ) ) ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (JJS Most) (NNS seeds)) (VP (VBP need) (NP (NN soil) (, ,) (NN water) (, ,) (NN sunlight) (CC and) (NN air)) (S (VP (TO to) (VP (VB germinate) (PRN (-LRB- -LRB-) (S (VP (VB germinate) (PRN (-LRB- -LRB-) (NP (NNP verb)) (-RRB- -RRB-)) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (NN shoot)) (VP (VBZ starts) (S (VP (TO to) (VP (VB grow) (PP (IN from) (NP (DT a) (NN seed))))))))))) (-RRB- -RRB-)))))) (. .)))
Most seeds need soil, water, sunlight and air to germinate (germinate (verb) when a shoot starts to grow from a seed).
(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)))))))) (. .)))