( ( ( The Structure ) ( of Matter ) ) ( ( Element ( ( An element ) ( is ( ( a ( pure chemical ) ) ( that ( ( can not ) ( be ( ( ( separated into ) or ) ( converted ( into ( a ( simpler substance ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN Structure)) (PP (IN of) (NP (NNP Matter)))) (VP (VBD Element) (SBAR (S (NP (DT An) (NN element)) (VP (VBZ is) (NP (NP (DT a) (JJ pure) (NN chemical)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (RB not) (VP (VB be) (VP (VP (VBN separated) (PP (IN into))) (CC or) (VP (VBN converted) (PP (IN into) (NP (DT a) (JJR simpler) (NN substance)))))))))))))) (. .)))
The Structure of Matter Element An element is a pure chemical that can not be separated into or converted into a simpler substance.
(ROOT (S (NP (NNS Elements)) (VP (VBP are) (NP (NP (JJ pure) (NNS substances)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (ADVP (RB up) (DT all) (NN matter))))))) (. .)))