But the most sustained assault on Orientalism 's premises, and on its prestige, came from the left.
( But ( ( ( the ( most ( sustained assault ) ) ) ( ( ( ( on ( ( Orientalism 's ) premises ) ) , ) and ) ( on ( its prestige ) ) ) ) ( , ( ( came ( from ( the left ) ) ) . ) ) ) )
(ROOT (S (CC But) (NP (NP (DT the) (JJS most) (VBN sustained) (NN assault)) (PP (PP (IN on) (NP (NP (NNP Orientalism) (POS 's)) (NNS premises))) (, ,) (CC and) (PP (IN on) (NP (PRP$ its) (NN prestige))))) (, ,) (VP (VBD came) (PP (IN from) (NP (DT the) (NN left)))) (. .)))
The attack on their premises came from the left.
( ( ( The attack ) ( on ( their premises ) ) ) ( ( came ( from ( the left ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN attack)) (PP (IN on) (NP (PRP$ their) (NNS premises)))) (VP (VBD came) (PP (IN from) (NP (DT the) (NN left)))) (. .)))