( ( Effects ( of ( ( hydrogen and ) water ) ) ) ( ( vapor ( on ( ( ( ( oxidation ( and ( corrosion mechanisms ) ) ) , ) and ) 5 ) ) ) . ) )
(ROOT (S (NP (NP (NNPS Effects)) (PP (IN of) (NP (NN hydrogen) (CC and) (NN water)))) (VP (VBP vapor) (PP (IN on) (NP (NP (NN oxidation) (CC and) (NN corrosion) (NNS mechanisms)) (, ,) (CC and) (NP (CD 5))))) (. .)))
Effects of hydrogen and water vapor on oxidation and corrosion mechanisms, and 5.
(ROOT (S (NP (NNP Water)) (VP (VBZ is) (NP (NP (DT an) (NN oxide)) (PP (IN of) (NP (NN hydrogen))))) (. .)))