( ( ( Did you ) ( know ( that ( ( measured ( from ( ( ( ( the ( ocean 's ) ) bottom ) , ) ( ( Hawaii 's ) volcanoes ) ) ) ) ( are ( some ( of ( ( the ( highest mountains ) ) ( in ( the world ) ) ) ) ) ) ) ) ) ) ? )
(ROOT (SQ (VBD Did) (NP (PRP you)) (VP (VB know) (SBAR (IN that) (S (S (VP (VBN measured) (PP (IN from) (NP (NP (NP (DT the) (NN ocean) (POS 's)) (NN bottom)) (, ,) (NP (NP (NNP Hawaii) (POS 's)) (NNS volcanoes)))))) (VP (VBP are) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (JJS highest) (NNS mountains)) (PP (IN in) (NP (DT the) (NN world)))))))))) (. ?)))
Did you know that measured from the ocean's bottom, Hawaii's volcanoes are some of the highest mountains in the world?
(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)))))))))))))) (. .)))