( ( ( Country Rock ) ( ( The ( earth 's ) ) crust ) ) ; )
(ROOT (NP (NP (NP (NNP Country) (NNP Rock)) (NP (NP (DT The) (NN earth) (POS 's)) (NN crust))) (: ;)))
Country Rock 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))))) (. .)))