( ( ( It 's ) ( Abundant Hydrogen ) ) ( ( is ( ( the ( ( most plentiful ) element ) ) ( in ( the universe ) ) ) ) . ) )
(ROOT (S (NP (NP (PRP It) (POS 's)) (NNP Abundant) (NNP Hydrogen)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ plentiful)) (NN element)) (PP (IN in) (NP (DT the) (NN universe))))) (. .)))
It's Abundant Hydrogen is the most plentiful element in the universe.
(ROOT (S (NP (DT The) (NN element) (NN hydrogen)) (VP (VBZ is) (NP (NP (DT the) (RBS most) (JJ abundant)) (PP (IN in) (NP (DT the) (NN universe))))) (. .)))
The element hydrogen is the most abundant in the universe.