( ( ( Heating , ) ( ( Cooking , ) ( Hot Water ) ) ) . )
(ROOT (NP (NP (NN Heating)) (, ,) (NP (NP (NNP Cooking)) (, ,) (NP (NNP Hot) (NNP Water))) (. .)))
Heating, Cooking, Hot 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))))))))) (. .)))