be bored by as your abc 's 
(ROOT (VP (VB be) (VP (VBN bored) (PP (IN by)) (PP (IN as) (NP (PRP$ your) (NN abc) (POS 's))))))
(ROOT (VP (VB ) (VP (VBN ) (PP (IN )) (PP (IN ) (NP (PRP$ ) (NN ) (POS ))))))