( ( Rocks ( of ( ( ( ( the ( earth 's ) ) crust ) and ) ( ( the landscapes ) they ) ) ) ) ( produce . ) )
(ROOT (S (NP (NP (NNS Rocks)) (PP (IN of) (NP (NP (NP (DT the) (NN earth) (POS 's)) (NN crust)) (CC and) (NP (NP (DT the) (NNS landscapes)) (NP (PRP they)))))) (VP (VBP produce)) (. .)))
Rocks of the earth's crust and the landscapes they produce.
(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))))) (. .)))