( ( ( Chemical analysis ) ( of starlight ) ) ( ( indicates ( that ( ( ( ( hydrogen , ) ( the ( simplest atom ) ) ) , ) ( is ( by ( ( ( ( far ( the ( ( most abundant ) ( chemical element ) ) ) ) ( in stars ) ) , ) ( including ( the Sun ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Chemical) (NN analysis)) (PP (IN of) (NP (NN starlight)))) (VP (VBZ indicates) (SBAR (IN that) (S (NP (NP (NN hydrogen)) (, ,) (NP (DT the) (JJS simplest) (NN atom)) (, ,)) (VP (VBZ is) (PP (IN by) (NP (NP (RB far) (DT the) (ADJP (RBS most) (JJ abundant)) (NN chemical) (NN element)) (PP (IN in) (NP (NNS stars))) (, ,) (PP (VBG including) (NP (DT the) (NNP Sun))))))))) (. .)))
Chemical analysis of starlight indicates that hydrogen, the simplest atom, is by far the most abundant chemical element in stars, including the Sun.
(ROOT (S (NP (DT The) (NN sun)) (ADVP (RB mostly)) (VP (VBD made) (PRT (RP up)) (PP (IN of) (NP (DT the) (NN element) (NN hydrogen)))) (. .)))