( ( A ( scientific law ) ) ( always ( ( ( ( ( applies ( under ( the ( same conditions ) ) ) ) , ) and ) ( implies ( that ( there ( is ( ( a ( causal relationship ) ) ( involving ( its elements ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT A) (JJ scientific) (NN law)) (ADVP (RB always)) (VP (VP (VBZ applies) (PP (IN under) (NP (DT the) (JJ same) (NNS conditions)))) (, ,) (CC and) (VP (VBZ implies) (SBAR (IN that) (S (NP (EX there)) (VP (VBZ is) (NP (NP (DT a) (JJ causal) (NN relationship)) (VP (VBG involving) (NP (PRP$ its) (NNS elements))))))))) (. .)))
A scientific law always applies under the same conditions, and implies that there is a causal relationship involving its elements.
(ROOT (S (PP (IN In) (NP (NN science))) (, ,) (NP (NP (NN something)) (SBAR (WHNP (WDT that)) (S (ADVP (RB always)) (VP (VBZ applies) (PP (IN under) (NP (DT the) (JJ same) (NNS conditions))))))) (VP (VBZ is) (VP (VBN called) (NP (DT a) (JJ scientific) (NN law)))) (. .)))