( ( ( Oceanic - ) ( ( Continental ( Plate ( Boundary ( oceanic ( crust ( _____ ( continental ( crust ( _____ ( asthenosphere ( _____ ( upper ( mantle ( _____ ( trench ( _____ ( subduction ( complex ( _____ ( continental ( interior ( _____ ( magma ( _____ ( volcanic ( arc ( _____ ( volcano _____ ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) II ) ) . )
(ROOT (NP (NP (NNP Oceanic)) (: -) (S (NP (NNP Continental) (NNP Plate) (NNP Boundary) (JJ oceanic) (NN crust) (JJ _____) (JJ continental) (NN crust) (JJ _____) (JJ asthenosphere) (NN _____) (JJ upper) (JJ mantle) (NN _____) (JJ trench) (JJ _____) (NN subduction) (JJ complex) (JJ _____) (NN continental) (JJ interior) (JJ _____) (NN magma) (JJ _____) (JJ volcanic) (NN arc) (JJ _____) (NN volcano) (NNP _____)) (NP (NNP II))) (. .)))
Oceanic - Continental Plate Boundary oceanic crust _____ continental crust _____ asthenosphere _____ upper mantle _____ trench _____ subduction complex _____ continental interior _____ magma _____ volcanic arc _____ volcano _____ II.
(ROOT (S (NP (DT A) (NN volcano) (NN chain)) (VP (VBZ is) (VP (VBN formed) (PP (IN by) (NP (NP (NN subduction)) (PP (IN of) (NP (JJ oceanic) (NN crust))))) (PP (IN beneath) (NP (DT a) (ADJP (JJ continental) (CC or) (JJ oceanic)) (NN plate))))) (. .)))