( ( ( ( Plants ( with ( a ( vascular system ) ) ) ) , ) ( ( a system ) ( of ( veins ( for ( ( transporting nutrients ) ( throughout ( the organism ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (NNS Plants)) (PP (IN with) (NP (DT a) (NN vascular) (NN system)))) (, ,) (NP (NP (DT a) (NN system)) (PP (IN of) (NP (NP (NNS veins)) (PP (IN for) (S (VP (VBG transporting) (NP (NNS nutrients)) (PP (IN throughout) (NP (DT the) (NN organism))))))))) (. .)))
Plants with a vascular system, a system of veins                 for transporting nutrients throughout the organism.
(ROOT (S (NP (NNP Trees)) (VP (VBP need) (S (NP (DT the) (NN vascular)) (VP (TO to) (VP (VB transport) (NP (NNS nutrients)))))) (. .)))
Trees need the vascular to transport nutrients.