( Plasmas ( ( are ( ( ( produced ( by ( ( very high ) temperatures ) ) ) , ) ( as ( ( ( ( in ( ( ( the Sun ) and ) ( other stars ) ) ) , ) ( and also ) ) ( by ( ( the ionization ) ( ( resulting ( from exposure ) ) ( ( ( ( to ( an ( electric current ) ) ) , ) as ) ( in ( ( ( a ( fluorescent ( light bulb ) ) ) or ) ( a ( neon sign ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Plasmas)) (VP (VBP are) (VP (VBN produced) (PP (IN by) (NP (ADJP (RB very) (JJ high)) (NNS temperatures))) (, ,) (PP (RB as) (PP (IN in) (NP (NP (DT the) (NNP Sun)) (CC and) (NP (JJ other) (NNS stars)))) (, ,) (CONJP (CC and) (RB also)) (PP (IN by) (NP (NP (DT the) (NN ionization)) (VP (VBG resulting) (PP (IN from) (NP (NN exposure))) (PP (PP (TO to) (NP (DT an) (JJ electric) (NN current))) (, ,) (RB as) (PP (IN in) (NP (NP (DT a) (JJ fluorescent) (JJ light) (NN bulb)) (CC or) (NP (DT a) (NN neon) (NN sign))))))))))) (. .)))
Plasmas are produced by very high temperatures, as in the Sun and other stars, and also by the ionization resulting from exposure to an electric current, as in a fluorescent light bulb or a neon sign.
(ROOT (S (NP (NNP Plasma)) (VP (VBZ comprises) (NP (NP (NP (DT the) (NN sun)) (CC and) (NP (JJ other) (NNS stars))) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (NP (NN lightning)) (CC and) (NP (DT the) (JJ northern) (NNS lights))))) (. .)))