( ( Most ( of ( ( the matter ) ( in ( the universe ) ) ) ) ) ( ( is ( ( plasma , ) ( including ( ( stars and ) nebulas ) ) ) ) . ) )
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (DT the) (NN matter)) (PP (IN in) (NP (DT the) (NN universe)))))) (VP (VBZ is) (NP (NP (NN plasma)) (, ,) (PP (VBG including) (NP (NNS stars) (CC and) (NNS nebulas))))) (. .)))
Most of the matter in the universe is plasma, including stars and nebulas.
(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.