( Discuss ( ( ( gradualism and ) ( ( ( punctuated equilibrium ) ( with respect ) ) ( to ( ( the evolution ) ( of ( ( brain size ) ( in ( Homo erectus ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Discuss)) (VP (VP (VBP gradualism)) (CC and) (VP (VBD punctuated) (NP (NN equilibrium)) (PP (IN with) (NP (NN respect))) (PP (TO to) (NP (NP (DT the) (NN evolution)) (PP (IN of) (NP (NP (NN brain) (NN size)) (PP (IN in) (NP (NN Homo) (NNS erectus))))))))) (. .)))
Discuss gradualism and punctuated equilibrium with respect to the evolution of brain size in Homo erectus.
(ROOT (S (NP (NNP Darwin)) (VP (VBD believed) (PP (IN in) (NP (NN gradualism)))) (. .)))