( Elements ( ( ( can not ) ( be ( ( broken down ) ( into ( any ( other substance ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Elements)) (VP (MD can) (RB not) (VP (VB be) (VP (VBN broken) (PRT (RP down)) (PP (IN into) (NP (DT any) (JJ other) (NN substance)))))) (. .)))
Elements cannot be broken down into any other substance.
(ROOT (S (NP (NP (NNS Substances)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (RB not) (VP (VB be) (VP (VBN broken) (PRT (RP down)) (PP (IN into) (NP (NP (JJR simpler) (NNS substances)) (PP (IN with) (NP (JJ different) (NNS properties))))))))))) (VP (VBP are) (VP (VBN called) (NP (NNS elements)))) (. .)))