of a play that only ever walked the delicate tightrope between farcical and loathsome 
(ROOT (PP (IN of) (NP (NP (DT a) (NN play)) (SBAR (WHNP (WDT that)) (S (ADVP (RB only) (RB ever)) (VP (VBD walked) (NP (NP (DT the) (JJ delicate) (NN tightrope)) (PP (IN between) (ADJP (JJ farcical) (CC and) (JJ loathsome))))))))))
(ROOT (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (ADVP (RB ) (RB )) (VP (VBD ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (ADJP (JJ ) (CC ) (JJ ))))))))))