( Science ( ( ( had already ) ( discovered ( that ( ( ( certain parts ) ( of ( the brain ) ) ) ( controlled ( given functions ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Science)) (VP (VBD had) (ADVP (RB already)) (VP (VBN discovered) (SBAR (IN that) (S (NP (NP (JJ certain) (NNS parts)) (PP (IN of) (NP (DT the) (NN brain)))) (VP (VBD controlled) (NP (VBN given) (NNS functions))))))) (. .)))
Science had already discovered that certain parts of the brain controlled given 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))))))) (. .)))