( ( plasma ( ( ( ( A ( fourth state ) ) ( of matter ) ) ( -LRB- ( ( ( in addition ) to ) ( ( ( ( ( ( solid , ) liquid ) , ) and ) gas ) -RRB- ) ) ) ) ( that ( exists ( in space ) ) ) ) ) . )
(ROOT (S (VP (VB plasma) (NP (NP (NP (DT A) (JJ fourth) (NN state)) (PP (IN of) (NP (NN matter)))) (PRN (-LRB- -LRB-) (CONJP (IN in) (NN addition) (TO to)) (NP (NP (JJ solid)) (, ,) (NP (NN liquid)) (, ,) (CC and) (NP (NN gas))) (-RRB- -RRB-)) (SBAR (WHNP (WDT that)) (S (VP (VBZ exists) (PP (IN in) (NP (NN space)))))))) (. .)))
plasma A fourth state of matter (in addition to solid, liquid, and gas) that exists in space.
(ROOT (S (NP (NNP Plasma)) (VP (VBZ completes) (NP (NP (DT the) (NN list)) (: :) (NP (ADJP (ADJP (JJ solid)) (, ,) (ADJP (JJ liquid)) (, ,)) (NN gas)))) (. .)))