( ( ( ( G. ( Dvorak ( Hi ( G. Dvorak ) ) ) ) , ) ( Most ( of ( ( the ( Earth 's ) ) volcanoes ) ) ) ) ( ( are ( ( located ( around ( the ( Pacific Ocean ) ) ) ) ( because ( that ( is ( where ( ( most ( of ( the Earth ) ) ) ( 's ( subduction zones ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP G.) (NNP Dvorak) (NNP Hi) (NNP G.) (NNP Dvorak)) (, ,) (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN Earth) (POS 's)) (NNS volcanoes))))) (VP (VBP are) (VP (VBN located) (PP (IN around) (NP (DT the) (NNP Pacific) (NNP Ocean))) (SBAR (IN because) (S (NP (DT that)) (VP (VBZ is) (SBAR (WHADVP (WRB where)) (S (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (NN Earth)))) (VP (VBZ 's) (NP (NN subduction) (NNS zones)))))))))) (. .)))
G. Dvorak Hi G. Dvorak, Most of the Earth's volcanoes are located around the Pacific Ocean because that is where most of the Earth's subduction zones.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (NN earth) (POS 's)) (NN water)))) (VP (VBZ is) (VP (VBN located) (PP (IN in) (NP (NNS oceans)))))))