is more interesting ( and funnier ) 
(ROOT (VP (VBZ is) (ADJP (ADJP (RBR more) (JJ interesting)) (-LRB- -LRB-) (CC and) (ADJP (JJR funnier)) (-RRB- -RRB-))))
(ROOT (VP (VBZ ) (ADJP (ADJP (RBR ) (JJ )) (-LRB- ) (CC ) (ADJP (JJR )) (-RRB- ))))