( ( ( The part ) ( of ( ( the brain ) ( involved ( in ( control ( of ( primitive ( life function ) ) ) ) ) ) ) ) ) ( s ( such ( as ( ( breathing and ) swallowing ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NN part)) (PP (IN of) (NP (NP (DT the) (NN brain)) (VP (VBN involved) (PP (IN in) (NP (NP (NN control)) (PP (IN of) (NP (JJ primitive) (NN life) (NN function))))))))) (VP (VBZ s) (ADJP (JJ such) (PP (IN as) (S (VP (VBG breathing) (CC and) (VBG swallowing))))))))
The part of the brain involved in control of primitive life function s such as breathing and swallowing
(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))))))) (. .)))