( ( Igneous rocks ) ( ( compose ( ( the majority ) ( of ( ( the rock ) ( in ( ( the ( earth 's ) ) crust ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Igneous) (NNS rocks)) (VP (VBP compose) (NP (NP (DT the) (NN majority)) (PP (IN of) (NP (NP (DT the) (NN rock)) (PP (IN in) (NP (NP (DT the) (NN earth) (POS 's)) (NN crust))))))) (. .)))
Igneous rocks compose the majority of the rock in the earth's crust.
(ROOT (S (NP (NP (DT The) (NN earth) (POS 's)) (NN crust)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (JJ igneuos) (NN rock))))) (. .)))