( There ( ( is ( ( a ( slightly increased ) ) ( -LRB- ( ( For ( ( large ( saddle defects ) ) ( involving ( bony ( and ( cartilaginous dorsum ) ) ) ) ) ) ( , ( ( rib cartilage ) ( makes ( excellent ( graft material ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (NP (NP (DT a) (RB slightly) (VBN increased)) (PRN (-LRB- -LRB-) (PP (IN For) (NP (NP (JJ large) (NN saddle) (NNS defects)) (NP (JJ involving) (NN bony) (CC and) (NNS cartilaginous) (NN dorsum)))) (, ,) (NP (NP (NN rib) (NN cartilage)) (SBAR (S (VP (VBZ makes) (NP (JJ excellent) (NN graft) (NN material))))))))) (. .)))
There is a slightly increased ( For large saddle defects involving bony and cartilaginous dorsum, rib cartilage makes excellent graft material.
(ROOT (S (NP (JJS Most) (NN turtle) (NNS bodies)) (VP (VBP are) (VP (VBN covered) (PP (IN by) (NP (NP (DT a) (JJ special) (NN bony) (CC or) (NNS cartilaginous) (NN shell)) (VP (VBN developed) (PP (IN from) (NP (PRP$ their) (NNS ribs)))))))) (. .)))