( ( Of ( ( all ( the elements ) ) ( in ( the universe ) ) ) ) ( , ( hydrogen ( ( is ( ( ( the lightest ) and ) ( most abundant ) ) ) . ) ) ) )
(ROOT (S (PP (IN Of) (NP (NP (PDT all) (DT the) (NNS elements)) (PP (IN in) (NP (DT the) (NN universe))))) (, ,) (NP (NN hydrogen)) (VP (VBZ is) (ADJP (ADJP (DT the) (JJS lightest)) (CC and) (ADJP (RBS most) (JJ abundant)))) (. .)))
Of all the elements in the universe, hydrogen is the lightest and most abundant.
(ROOT (S (NP (NNP Hydrogen)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ abundant)) (NN element)) (PP (IN in) (NP (DT the) (NN universe))))) (. .)))