( ( Hypothalamus ( ( A part ) ( of ( ( the brain ) ( that ( controls ( some ( of ( ( the ( body 's ) ) ( automatic ( regulatory functions ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Hypothalamus) (NP (NP (DT A) (NN part)) (PP (IN of) (NP (NP (DT the) (NN brain)) (SBAR (WHNP (WDT that)) (S (VP (VBZ controls) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (NN body) (POS 's)) (JJ automatic) (JJ regulatory) (NNS functions))))))))))) (. .)))
Hypothalamus A part of the brain that controls some of the body's automatic regulatory functions.
(ROOT (S (ADVP (RB Not) (RB surprisingly)) (, ,) (NP (JJ controlling) (NN flight)) (VP (VBZ is) (NP (NP (DT the) (NN function)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ developed)) (NN part)) (PP (IN of) (NP (NP (DT a) (NN bird) (POS 's)) (NN brain))))))) (. .)))