( Hot ( Water ( Heat . ) ) )
(ROOT (NP (NNP Hot) (NNP Water) (NNP Heat) (. .)))
Hot Water Heat.
(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))))))))) (. .)))