( ( ( ( ( ( For example ) ( ( all ( carbon atoms ) ) ( contain ( six protons ) ) ) ) ( , ( ( ( all ( gold atoms ) ) ( contain ( 79 protons ) ) ) , ) ) ) all ) ( ( lead atoms ) ( contain ( 82 protons ) ) ) ) . )
(ROOT (S (S (PP (IN For) (NP (NN example))) (NP (DT all) (NN carbon) (NNS atoms)) (VP (VBP contain) (NP (CD six) (NNS protons)))) (PRN (, ,) (S (NP (DT all) (JJ gold) (NNS atoms)) (VP (VBP contain) (NP (CD 79) (NNS protons)))) (, ,)) (RB all) (S (NP (JJ lead) (NNS atoms)) (VP (VBP contain) (NP (CD 82) (NNS protons)))) (. .)))
For example all carbon atoms contain six protons, all gold atoms contain 79 protons, all lead atoms contain 82 protons.
(ROOT (S (NP (DT All) (NN carbon) (NNS atoms)) (VP (VBP have) (NP (CD six) (NNS protons))) (. .)))