( ( ( ( ( Plasma ( is ( ( the ( fourth state ) ) ( of ( ( ( ( ( ( ( matter , ) ( along ( with liquid ) ) ) , ) ( ( gas , ) solid ) ) , ) and ) ( ( the ( ( most abundant ) form ) ) ( of ( matter ( in ( the universe ) ) ) ) ) ) ) ) ) ) , ) yet ) ( it ( ( is poorly ) understood ) ) ) . )
(ROOT (S (S (NP (NNP Plasma)) (VP (VBZ is) (NP (NP (DT the) (JJ fourth) (NN state)) (PP (IN of) (NP (NP (NP (NN matter)) (, ,) (ADVP (IN along) (PP (IN with) (ADJP (JJ liquid))))) (, ,) (NP (NP (NN gas)) (, ,) (ADVP (RB solid))) (, ,) (CC and) (NP (NP (DT the) (ADJP (RBS most) (JJ abundant)) (NN form)) (PP (IN of) (NP (NP (NN matter)) (PP (IN in) (NP (DT the) (NN universe))))))))))) (, ,) (CC yet) (S (NP (PRP it)) (VP (VBZ is) (ADVP (RB poorly)) (VP (VBN understood)))) (. .)))
Plasma is the fourth state of matter, along with liquid, gas, solid, and the most abundant form of matter in the universe, yet it is poorly understood.
(ROOT (S (NP (NNP Plasma)) (VP (VBZ completes) (NP (NP (DT the) (NN list)) (: :) (NP (ADJP (ADJP (JJ solid)) (, ,) (ADJP (JJ liquid)) (, ,)) (NN gas)))) (. .)))