( ( ( ( ( ( ( ( ( ( ( ( PSc ( ( .2.1.1 ( Classify matter ) ) as ) ) : ) ( ( homogeneous or ) heterogeneous ) ) ; ) ( ( ( pure substance ) or ) mixture ) ) ; ) ( ( element or ) compound ) ) ; ) ( ( ( ( ( metals , ) nonmetals ) , ) or ) metalloids ) ) ; ) ( ( ( ( ( solution , ) colloid ) , ) or ) suspension ) ) . )
(ROOT (NP (NP (NP (NNP PSc)) (ADVP (NP (CD .2.1.1) (NN Classify) (NN matter)) (RB as))) (: :) (NP (NP (NNS homogeneous)) (CC or) (NP (JJ heterogeneous))) (: ;) (NP (NP (JJ pure) (NN substance)) (CC or) (NP (NN mixture))) (: ;) (NP (NP (NN element)) (CC or) (NP (NN compound))) (: ;) (NP (NP (NNS metals)) (, ,) (NP (NNS nonmetals)) (, ,) (CC or) (NP (NNS metalloids))) (: ;) (NP (NP (NN solution)) (, ,) (NP (NN colloid)) (, ,) (CC or) (NP (NN suspension))) (. .)))
PSc.2.1.1 Classify matter as: homogeneous or heterogeneous; pure substance or mixture; element or compound; metals, nonmetals, or metalloids; solution, colloid, or suspension.
(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))))))) (. .)))