be anything but frustrating , boring , and forgettable 
(ROOT (S (VP (VB be) (ADJP (NN anything) (IN but) (ADJP (JJ frustrating) (, ,) (JJ boring) (, ,) (CC and) (JJ forgettable))))))
(ROOT (S (VP (VB ) (ADJP (NN ) (IN ) (ADJP (JJ ) (, ) (JJ ) (, ) (CC ) (JJ ))))))