( ( Recall ( that ( matter ( is ( composed ( of ( ( different substances ) ( that ( are ( called elements ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Recall) (SBAR (IN that) (S (NP (NN matter)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (NP (JJ different) (NNS substances)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (VP (VBN called) (NP (NNS elements))))))))))))) (. .)))
Recall that matter is composed of different substances that are called elements .
(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)))) (. .)))