( ( ( ( You ( plant ( a seed ) ) ) and ) ( it grows ) ) . )
(ROOT (S (S (NP (PRP You)) (VP (VB plant) (NP (DT a) (NN seed)))) (CC and) (S (NP (PRP it)) (VP (VBZ grows))) (. .)))
You plant a seed and it grows.
(ROOT (S (NP (JJ Heirloom) (NNS seeds)) (VP (VBP come) (PP (IN from) (NP (NP (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBD were) (ADVP (RB traditionally)) (VP (VBN grown) (PP (IN in) (NP (JJ human) (NNS populations))))))))) (, ,) (ADJP (RB as) (VBN opposed) (PP (TO to) (NP (NP (DT the) (NNS seeds)) (VP (VBN used) (PP (IN for) (NP (JJ large-scale) (JJ agricultural) (NN production)))))))) (. .)))