he slaps together his own brand of liberalism 
(ROOT (S (NP (PRP he)) (VP (VBZ slaps) (ADVP (RP together)) (NP (NP (PRP$ his) (JJ own) (NN brand)) (PP (IN of) (NP (NN liberalism)))))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADVP (RP )) (NP (NP (PRP$ ) (JJ ) (NN )) (PP (IN ) (NP (NN )))))))