's pretentious in a way that verges on the amateurish 
(ROOT (VP (VBZ 's) (ADJP (JJ pretentious)) (PP (IN in) (NP (NP (DT a) (NN way)) (SBAR (WHNP (WDT that)) (S (VP (VBZ verges) (PP (IN on) (NP (DT the) (JJ amateurish))))))))))
(ROOT (VP (VBZ ) (ADJP (JJ )) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (PP (IN ) (NP (DT ) (JJ ))))))))))