( ( ( ( Angular ( Unconformity ( Horizontal layer ) ) ) ( -LRB- ( s -RRB- ) ) ) ( of ( ( sedimentary rock ) ( over ( ( deformed layers ) ( of ( sedimentary rock ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Angular) (NNP Unconformity) (NNP Horizontal) (NNP layer)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-)) (PP (IN of) (NP (NP (JJ sedimentary) (NN rock)) (PP (IN over) (NP (NP (JJ deformed) (NNS layers)) (PP (IN of) (NP (JJ sedimentary) (NN rock))))))) (. .)))
Angular Unconformity Horizontal layer(s) of sedimentary rock over deformed layers of sedimentary rock.
(ROOT (S (NP (NP (DT A) (VBG defining) (NN feature)) (PP (IN of) (NP (JJ deformed) (NN sedimentary) (NNS rocks)))) (VP (VBZ is) (SBAR (IN that) (S (NP (PRP they)) (VP (VBP are) (RB not) (ADJP (JJ horizontal)))))) (. .)))