( Oxygen ( ( is ( ( the ( ( most common ) element ) ) ( in ( ( ( ( the ( earth 's ) ) crust ) and ) ( the ( second ( ( largest industrial ) gas ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN element)) (PP (IN in) (NP (NP (NP (DT the) (NN earth) (POS 's)) (NN crust)) (CC and) (NP (DT the) (JJ second) (ADJP (JJS largest) (JJ industrial)) (NN gas)))))) (. .)))
Oxygen is the most common element in the earth's crust and the second largest industrial gas.
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (DT the) (JJ second) (ADJP (RBS most) (JJ electronegative)) (NN element))))) (. .)))