( ( ( ( ( ( Ground waters ) ( are ( heated ( by ( ( ( rising magmas ) and ) ( hot rocks ) ) ) ) ) ) , ) and ) ( ( ( ( the ( lighter ( hot water ) ) ) and ) steam ) ( ( rises ( to ( the surface ) ) ) ( by ( the ( force gravity ) ) ) ) ) ) . )
(ROOT (S (S (NP (NN Ground) (NNS waters)) (VP (VBP are) (VP (VBN heated) (PP (IN by) (NP (NP (VBG rising) (NNS magmas)) (CC and) (NP (JJ hot) (NNS rocks))))))) (, ,) (CC and) (S (NP (NP (DT the) (JJR lighter) (JJ hot) (NN water)) (CC and) (NP (NN steam))) (VP (VBZ rises) (PP (TO to) (NP (DT the) (NN surface))) (PP (IN by) (NP (DT the) (NN force) (NN gravity))))) (. .)))
Ground waters are heated by rising magmas and hot rocks, and the lighter hot water and steam rises to the surface by the force gravity.
(ROOT (S (NP (NP (DT The) (NN water)) (PP (IN in) (NP (DT some) (NNS springs)))) (VP (VBP are) (ADJP (JJ hot) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP 're) (VP (VBN heated) (PP (IN by) (NP (JJ hot) (NN magma))))))))) (. .)))