( Steam ( ( ( ( is ( ( created ( in nature ) ) ( from ( ( volcanic processes ) ( heating ( underground water ) ) ) ) ) ) and ) ( is ( ( ( released ( through ( hot ( ( springs and ) geysers ) ) ) ) , ) ( for example ) ) ) ) . ) )
(ROOT (S (NP (NNP Steam)) (VP (VP (VBZ is) (VP (VBN created) (PP (IN in) (NP (NN nature))) (PP (IN from) (NP (NP (JJ volcanic) (NNS processes)) (VP (VBG heating) (NP (JJ underground) (NN water))))))) (CC and) (VP (VBZ is) (VP (VBN released) (PP (IN through) (NP (JJ hot) (NNS springs) (CC and) (NNS geysers))) (, ,) (PP (IN for) (NP (NN example)))))) (. .)))
Steam is created in nature from volcanic processes heating underground water and is released through hot springs and geysers, for example.
(ROOT (S (NP (NNS Geysers)) (VP (VBP are) (VP (VBN created) (SBAR (WHADVP (WRB when)) (S (NP (NN water)) (VP (VBZ is) (VP (VBN heated) (PP (IN beneath) (NP (NP (DT the) (NN earth) (POS 's)) (NN surface))))))))) (. .)))