the violence is at once luridly graphic and laughably unconvincing 
(ROOT (S (NP (DT the) (NN violence)) (VP (VBZ is) (ADVP (IN at) (RB once)) (ADJP (ADJP (RB luridly) (JJ graphic)) (CC and) (ADJP (RB laughably) (JJ unconvincing))))))
(ROOT (S (NP (DT ) (NN )) (VP (VBZ ) (ADVP (IN ) (RB )) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (RB ) (JJ ))))))