( ( The ( brain stem ) ) ( ( is ( ( ( responsible ( for ( our bodies ) ) ) ( involuntary functions ) ) ( such ( as ( breathing ( , ( sleeping ( , ( heart-rate ( , ( eating ( , ( ( re-production , ) etc. ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN brain) (NN stem)) (VP (VBZ is) (NP (NP (ADJP (JJ responsible) (PP (IN for) (NP (PRP$ our) (NNS bodies)))) (JJ involuntary) (NNS functions)) (PP (JJ such) (IN as) (NP (NN breathing) (, ,) (NN sleeping) (, ,) (NN heart-rate) (, ,) (NN eating) (, ,) (NN re-production) (, ,) (FW etc.))))) (. .)))
The brain stem is responsible for our bodies involuntary functions such as breathing, sleeping, heart-rate, eating, re-production, etc.
(ROOT (S (NP (DT The) (NN brain) (NN stem)) (VP (VBZ regulates) (NP (NP (DT the) (NN rate)) (PP (IN of) (NP (NN breathing))))) (. .)))