( ( ( ( A hospital ) and ) ( ( the chamber ) ( of commerce ) ) ) ( ( are ( heated ( by ( hot ( spring water ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN hospital)) (CC and) (NP (NP (DT the) (NN chamber)) (PP (IN of) (NP (NN commerce))))) (VP (VBP are) (VP (VBN heated) (PP (IN by) (NP (JJ hot) (NN spring) (NN water))))) (. .)))
A hospital and the chamber of commerce are heated by hot spring water.
(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))))))))) (. .)))