( Plasma ( ( is ( ( the ( ( most abundant ) form ) ) ( of ( ( ordinary matter ) ( in ( ( ( the Universe ) , ) ( ( most ( of which ) ) ( is ( in ( ( ( ( ( ( ( ( the ( rarefied ( intergalactic regions ) ) ) , ) ( particularly ( the ( intracluster medium ) ) ) ) , ) and ) ( in stars ) ) , ) ( including ( the Sun ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Plasma)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ abundant)) (NN form)) (PP (IN of) (NP (NP (JJ ordinary) (NN matter)) (PP (IN in) (NP (NP (DT the) (NN Universe)) (, ,) (SBAR (WHNP (JJS most) (WHPP (IN of) (WHNP (WDT which)))) (S (VP (VBZ is) (PP (IN in) (NP (NP (DT the) (JJ rarefied) (JJ intergalactic) (NNS regions)) (, ,) (NP (RB particularly) (DT the) (NN intracluster) (NN medium)) (, ,) (CC and) (PP (IN in) (NP (NNS stars))) (, ,) (PP (VBG including) (NP (DT the) (NNP Sun)))))))))))))) (. .)))
Plasma is the most abundant form of ordinary matter in the Universe, most of which is in the rarefied intergalactic regions, particularly the intracluster medium, and in stars, including the Sun.
(ROOT (S (NP (NNP Plasma) (NN matter)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (NN universe))))) (. .)))
Plasma matter makes up most of the universe.