( ( Cartilage fish ) ( ( have ( ( a skeleton ) ( of ( ( cartilage and ) ( a jaw ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Cartilage) (NN fish)) (VP (VBP have) (NP (NP (DT a) (NN skeleton)) (PP (IN of) (NP (NP (NN cartilage)) (CC and) (NP (DT a) (NN jaw)))))) (. .)))
Cartilage fish have a skeleton of cartilage and a jaw.
(ROOT (S (NP (NNS Hagfishes)) (VP (VBP have) (NP (NP (DT a) (NN skull)) (VP (VBN made) (PP (IN of) (NP (NN cartilage)))))) (. .)))