( This ( ( is ( controlled ( by ( ( another part ) ( of ( the brain ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (VP (VBN controlled) (PP (IN by) (NP (NP (DT another) (NN part)) (PP (IN of) (NP (DT the) (NN brain))))))) (. .)))
This is controlled by another part of the brain.
(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))))))) (. .)))