( ( ( Embryonic origins ) ( of ( ( ( chick ( skull cartilage ) ) and ) bones ) ) ) . )
(ROOT (NP (NP (JJ Embryonic) (NNS origins)) (PP (IN of) (NP (NP (NN chick) (NN skull) (NN cartilage)) (CC and) (NP (NNS bones)))) (. .)))
Embryonic origins of chick skull cartilage and bones.
(ROOT (S (NP (NNS Hagfishes)) (VP (VBP have) (NP (NP (DT a) (NN skull)) (VP (VBN made) (PP (IN of) (NP (NN cartilage)))))) (. .)))