( ( ( The ( most advanced ) ) ( of ( the plants ) ) ) ( ( have ( ( their ( own way ) ) ( of ( sexually reproducing ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (RBS most) (JJ advanced)) (PP (IN of) (NP (DT the) (NNS plants)))) (VP (VBP have) (NP (NP (PRP$ their) (JJ own) (NN way)) (PP (IN of) (NP (RB sexually) (NN reproducing))))) (. .)))
The most advanced of the plants have their own way of sexually reproducing.
(ROOT (S (NP (DT All)) (VP (VBZ vertebrates) (VP (VB reproduce) (ADVP (RB sexually)))) (. .)))