( ( ( The ( tallest peak ) ) ( in ( the ( Myohyang Mountains ) ) ) ) ( ( is ( ( ( Piro Peak ) , ) ( some ( ( 1,909 meters ) high ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJS tallest) (NN peak)) (PP (IN in) (NP (DT the) (NNP Myohyang) (NNPS Mountains)))) (VP (VBZ is) (NP (NP (NNP Piro) (NNP Peak)) (, ,) (NP (DT some) (ADJP (NP (CD 1,909) (NNS meters)) (JJ high))))) (. .)))
The tallest peak in the Myohyang Mountains is Piro Peak, some 1,909 meters high.
(ROOT (S (NP (NNS Scientists)) (VP (VBP know) (SBAR (IN that) (S (NP (DT some) (NNS mountains)) (VP (VBD were) (ADVP (RB once)) (PP (IN at) (NP (NP (DT the) (NN bottom)) (PP (IN of) (NP (DT an) (NN ocean))))) (SBAR (IN because) (S (NP (JJ marine) (NNS fossils)) (VP (VBP have) (VP (VBN been) (VP (VBN found) (PP (IN on) (NP (NP (DT the) (NNS peaks)) (PP (IN of) (NP (DT some) (NNS mountains)))))))))))))) (. .)))