pushed into the margins by predictable plotting and tiresome histrionics 
(ROOT (S (VP (VBN pushed) (PP (IN into) (NP (DT the) (NNS margins))) (PP (IN by) (NP (NP (JJ predictable) (NN plotting)) (CC and) (NP (JJ tiresome) (NNS histrionics)))))))
(ROOT (S (VP (VBN ) (PP (IN ) (NP (DT ) (NNS ))) (PP (IN ) (NP (NP (JJ ) (NN )) (CC ) (NP (JJ ) (NNS )))))))