a laughable -- or rather , unlaughable -- excuse for a film 
(ROOT (NP (NP (DT a) (ADJP (ADJP (JJ laughable)) (, --) (CC or) (ADVP (RB rather)) (, ,) (ADJP (JJ unlaughable)) (, --)) (NN excuse)) (PP (IN for) (NP (DT a) (NN film)))))
(ROOT (NP (NP (DT ) (ADJP (ADJP (JJ )) (, ) (CC ) (ADVP (RB )) (, ) (ADJP (JJ )) (, )) (NN )) (PP (IN ) (NP (DT ) (NN )))))