( ( Oceanic crust ) ( ( adjacent ( to ( the continents ) ) ) ( ( can ( be ( deeply ( buried ( by ( ( several kilometres ) ( of sediment ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Oceanic) (NNP crust)) (ADVP (JJ adjacent) (PP (TO to) (NP (DT the) (NN continents)))) (VP (MD can) (VP (VB be) (VP (ADVP (RB deeply)) (VBN buried) (PP (IN by) (NP (NP (JJ several) (NNS kilometres)) (PP (IN of) (NP (NN sediment)))))))) (. .)))
Oceanic crust adjacent to the continents can be deeply buried by several kilometres of sediment.
(ROOT (S (NP (NP (DT The) (NN creation) (CC and) (NN destruction)) (PP (IN of) (NP (JJ oceanic) (NN crust)))) (VP (VBZ is) (NP (DT the) (NN reason) (NN continents) (NN move))) (. .)))