( ( ( Controlling factors ) ( of ( our ( feeding instincat ) ) ) ) ( ( ( are mostly ) ( ( ( ( ( in ( the brain ) ) , ) but ) partly ) ( in ( the ( gastrointestinal system ) ) ) ) ) . ) )
(ROOT (S (NP (NP (VBG Controlling) (NNS factors)) (PP (IN of) (NP (PRP$ our) (NN feeding) (NN instincat)))) (VP (VBP are) (ADVP (RB mostly)) (PP (PP (IN in) (NP (DT the) (NN brain))) (, ,) (CC but) (RB partly) (PP (IN in) (NP (DT the) (JJ gastrointestinal) (NN system))))) (. .)))
Controlling factors of our feeding instincat are mostly in the brain, but partly in the gastrointestinal system.
(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))))))) (. .)))