a laughable -- or rather , unlaughable 
(ROOT (NP (DT a) (ADJP (ADJP (JJ laughable)) (, --) (CC or) (ADVP (RB rather)) (, ,) (JJ unlaughable))))
(ROOT (NP (DT ) (ADJP (ADJP (JJ )) (, ) (CC ) (ADVP (RB )) (, ) (JJ ))))