( ( In general ) ( , ( it ( ( is ( thought ( that ( plasma ( is ( ( the ( fourth state ) ) ( of ( matter ( in ( order ( of ( ( ( solid ( , liquid ) ) ( , ( ( gas and ) finally ) ) ) plasma ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN general))) (, ,) (NP (PRP it)) (VP (VBZ is) (VP (VBN thought) (SBAR (IN that) (S (NP (NN plasma)) (VP (VBZ is) (NP (NP (DT the) (JJ fourth) (NN state)) (PP (IN of) (NP (NP (NN matter)) (PP (IN in) (NP (NP (NN order)) (PP (IN of) (NP (UCP (ADJP (JJ solid) (, ,) (JJ liquid)) (, ,) (NP (NN gas)) (CC and) (ADVP (RB finally))) (NN plasma))))))))))))) (. .)))
In general, it is thought that plasma is the fourth state of matter in order of solid, liquid, gas and finally plasma.
(ROOT (S (NP (NNP Plasma)) (VP (VBZ completes) (NP (NP (DT the) (NN list)) (: :) (NP (ADJP (ADJP (JJ solid)) (, ,) (ADJP (JJ liquid)) (, ,)) (NN gas)))) (. .)))