a degree of affection rather than revulsion 
(ROOT (NP (NP (DT a) (NN degree)) (PP (IN of) (NP (NN affection))) (PP (RB rather) (IN than) (NP (NN revulsion)))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))) (PP (RB ) (IN ) (NP (NN )))))