( ( ( ( Compare and ) contrast ) ( Gradualism ( and ( Punctuated Equilibrium ) ) ) ) . )
(ROOT (S (VP (VB Compare) (CC and) (VB contrast) (NP (NNP Gradualism) (CC and) (NNP Punctuated) (NNP Equilibrium))) (. .)))
Compare and contrast Gradualism and Punctuated Equilibrium.
(ROOT (S (NP (NNP Darwin)) (VP (VBD believed) (PP (IN in) (NP (NN gradualism)))) (. .)))