( ( Analysis ( of sunlight ) ) ( ( reveals ( that ( ( the Sun ) ( is ( ( ( ( made mostly ) ( of ( the ( elements ( ( Hydrogen & ) Helium ) ) ) ) ) , ) ( with ( ( just traces ) ( of ( other elements ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Analysis)) (PP (IN of) (NP (NN sunlight)))) (VP (VBZ reveals) (SBAR (IN that) (S (NP (DT the) (NNP Sun)) (VP (VBZ is) (VP (VBN made) (ADVP (RB mostly)) (PP (IN of) (NP (DT the) (NNS elements) (NNP Hydrogen) (CC &) (NNP Helium))) (, ,) (PP (IN with) (NP (NP (RB just) (NNS traces)) (PP (IN of) (NP (JJ other) (NNS elements)))))))))) (. .)))
Analysis of sunlight reveals that the Sun is made mostly of the elements Hydrogen &amp; Helium, with just traces of other elements.
(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)))) (. .)))