( ( Articular cartilage ) ( ( ( contains ( more collagen ) ) ( than ( ( other types ) ( of ( hyaline cartilage ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Articular) (NNP cartilage)) (VP (VBZ contains) (NP (JJR more) (NN collagen)) (PP (IN than) (NP (NP (JJ other) (NNS types)) (PP (IN of) (NP (JJ hyaline) (NN cartilage)))))) (. .)))
Articular cartilage contains more collagen than other types of hyaline cartilage.
(ROOT (S (NP (JJ Lamprey) (NN cartilage)) (VP (VBZ contains) (NP (DT no) (NN collagen))) (. .)))