by the standards of knucklehead swill 
(ROOT (PP (IN by) (NP (NP (DT the) (NNS standards)) (PP (IN of) (NP (NN knucklehead) (NN swill))))))
(ROOT (PP (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (NN ) (NN ))))))