( ( By ( analyzing ( ( the scattering ) ( of ( ( quarks and ) gluons ) ) ) ) ) ( , ( ( ( he and ) ( his colleagues ) ) ( ( hope ( to ( map ( ( ( ( the structure ) ( of ( ( protons and ) neutrons ) ) ) -- ) ( two ( of ( ( the ( most ( fundamental forms ) ) ) ( of matter ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN By) (S (VP (VBG analyzing) (NP (NP (DT the) (NN scattering)) (PP (IN of) (NP (NNS quarks) (CC and) (NNS gluons))))))) (, ,) (NP (NP (PRP he)) (CC and) (NP (PRP$ his) (NNS colleagues))) (VP (VBP hope) (S (VP (TO to) (VP (VB map) (NP (NP (NP (DT the) (NN structure)) (PP (IN of) (NP (NNS protons) (CC and) (NNS neutrons)))) (: --) (NP (NP (CD two)) (PP (IN of) (NP (NP (DT the) (RBS most) (JJ fundamental) (NNS forms)) (PP (IN of) (NP (NN matter))))))))))) (. .)))
By analyzing the scattering of quarks and gluons, he and his colleagues hope to map the structure of protons and neutrons--two of the most fundamental forms of matter.
(ROOT (S (NP (NP (DT The) (CD two) (JJ main) (JJ fundamental) (NNS particles)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (PRT (RP up)) (NP (NNS neutrons)))))) (VP (VBP are) (NP (NNS quarks) (CC and) (NNS gluons))) (. .)))