filmmaking that is plainly dull and visually ugly when it is n't incomprehensible 
(ROOT (NP (NP (NN filmmaking)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (ADJP (RB plainly) (JJ dull)) (CC and) (ADJP (RB visually) (JJ ugly))) (SBAR (WHADVP (WRB when)) (S (NP (PRP it)) (VP (VBZ is) (RB n't) (ADJP (JJ incomprehensible))))))))))
(ROOT (NP (NP (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (RB ) (JJ ))) (SBAR (WHADVP (WRB )) (S (NP (PRP )) (VP (VBZ ) (RB ) (ADJP (JJ ))))))))))