( ( crust ( of ( ( the earth ) ( ( The crust ) ( of ( the earth ) ) ) ) ) ) ( ( is ( ( ( the ( outer layer ) ) ( -LRB- ( ( top layer ) -RRB- ) ) ) ( of ( the earth ) ) ) ) . ) )
(ROOT (S (NP (NP (NN crust)) (PP (IN of) (NP (NP (DT the) (NN earth)) (NP (NP (DT The) (NN crust)) (PP (IN of) (NP (DT the) (NN earth))))))) (VP (VBZ is) (NP (NP (NP (DT the) (JJ outer) (NN layer)) (PRN (-LRB- -LRB-) (NP (JJ top) (NN layer)) (-RRB- -RRB-))) (PP (IN of) (NP (DT the) (NN earth))))) (. .)))
crust of the earth The crust of the earth is the outer layer (top layer) of the earth.
(ROOT (S (NP (NP (DT The) (JJ outer) (NN core)) (PP (IN of) (NP (DT the) (NN earth)))) (VP (VBZ is) (ADJP (JJ molten))) (. .)))