( ( ( ( ( Law ( of superposition ) ) ( states ( that ( ( during ( ( the formation ) ( of ( sedimentary rocks ) ) ) ) ( , ( ( each layer ) ( is ( older ( than ( ( ( ( the one ) above ) and ) ( younger ( than ( the ( one below ) ) ) ) ) ) ) ) ) ) ) ) ) ) -- ) ( ( this statement ) ( reflects ( ( the ( relative age ) ) ( of ( sedimentary rocks ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (NNP Law)) (PP (IN of) (NP (NN superposition)))) (VP (VBZ states) (SBAR (IN that) (S (PP (IN during) (NP (NP (DT the) (NN formation)) (PP (IN of) (NP (JJ sedimentary) (NNS rocks))))) (, ,) (NP (DT each) (NN layer)) (VP (VBZ is) (ADJP (ADJP (JJR older)) (PP (IN than) (NP (NP (NP (DT the) (NN one)) (PP (IN above))) (CC and) (NP (NP (JJR younger)) (PP (IN than) (NP (DT the) (CD one) (RB below)))))))))))) (: --) (S (NP (DT this) (NN statement)) (VP (VBZ reflects) (NP (NP (DT the) (JJ relative) (NN age)) (PP (IN of) (NP (JJ sedimentary) (NNS rocks)))))) (. .)))
Law of superposition states that during the formation of sedimentary rocks, each layer is older than the one above and younger than the one below---this statement reflects the relative age of sedimentary rocks.
(ROOT (S (S (NP (NP (JJ Deeper) (NNS layers)) (PP (IN of) (NP (NN rock)))) (VP (MD must) (VP (VB be) (ADJP (ADJP (JJR older)) (PP (IN than) (NP (NNS layers)))) (ADVP (RBR closer) (PP (TO to) (NP (DT the) (NN surface))))))) (, ,) (NP (DT this)) (VP (VBZ is) (NP (NP (DT the) (NN law)) (PP (IN of) (NP (NN superposition))))) (. .)))