( ( Of ( those six ) ) ( , ( two ( ( ( ( are ( found ( in ( ordinary matter ) ) ) ) and ) ( ( make up ) ( ( the ( ( protons and ) neutrons ) ) ( of atoms ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Of) (NP (DT those) (CD six))) (, ,) (NP (CD two)) (VP (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (JJ ordinary) (NN matter))))) (CC and) (VP (VBP make) (PRT (RP up)) (NP (NP (DT the) (NNS protons) (CC and) (NNS neutrons)) (PP (IN of) (NP (NNS atoms)))))) (. .)))
Of those six, two are found in ordinary matter and make up the protons and neutrons of atoms.
(ROOT (S (NP (NNP Carbon) (NNS atoms)) (VP (VBP have) (NP (NP (CD six) (NNS neutrons)) (CONJP (RB as) (RB well) (IN as)) (NP (CD six) (NNS protons)))) (. .)))