is plainly dull and visually ugly 
(ROOT (VP (VBZ is) (ADJP (ADJP (RB plainly) (JJ dull)) (CC and) (ADJP (RB visually) (JJ ugly)))))
(ROOT (VP (VBZ ) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (RB ) (JJ )))))