( ( layered hypertext ) ( ( consist ( of ( ( two layers ) ( of ( linked pages ) ) ) ) ) . ) )
(ROOT (S (NP (JJ layered) (NN hypertext)) (VP (VBP consist) (PP (IN of) (NP (NP (CD two) (NNS layers)) (PP (IN of) (NP (VBN linked) (NNS pages)))))) (. .)))
layered hypertext consist of two layers of linked pages.
(ROOT (S (NP (NP (DT The) (NN pleura)) (SBAR (WHNP (WDT that)) (S (VP (VBZ surrounds) (NP (DT the) (NNS lungs)))))) (VP (VBZ consists) (PP (IN of) (NP (CD two) (NNS layers)))) (. .)))