( Silicon ( ( enhances ( collagen ( and ( cartilage integrity ) ) ) ) . ) )
(ROOT (S (NP (NNP Silicon)) (VP (VBZ enhances) (NP (NN collagen) (CC and) (NN cartilage) (NN integrity))) (. .)))
Silicon enhances collagen and cartilage integrity.
(ROOT (S (NP (JJ Lamprey) (NN cartilage)) (VP (VBZ contains) (NP (DT no) (NN collagen))) (. .)))