( ( Significance ( of ( Innate ( Behavior ( Innate behaviors ) ) ) ) ) ( ( are ( ( rigid and ) predictable ) ) . ) )
(ROOT (S (NP (NP (NN Significance)) (PP (IN of) (NP (NNP Innate) (NNP Behavior) (NNP Innate) (NNS behaviors)))) (VP (VBP are) (ADJP (JJ rigid) (CC and) (JJ predictable))) (. .)))
Significance of Innate Behavior   Innate behaviors are rigid and predictable.
(ROOT (S (NP (NNP Reflex) (NNS behaviors)) (VP (VBP are) (NP (NP (DT the) (RB only) (JJ innate) (NNS behaviors)) (PP (IN in) (NP (NNS humans))))) (. .)))