by numbers , and as easy to be bored by as your abc 's , 
(ROOT (PP (PP (IN by) (NP (NNS numbers))) (, ,) (CC and) (ADJP (ADJP (RB as) (JJ easy) (S (VP (TO to) (VP (VB be) (VP (VBN bored) (PP (IN by))))))) (PP (IN as) (NP (PRP$ your) (NN abc) (POS 's)))) (, ,)))
(ROOT (PP (PP (IN ) (NP (NNS ))) (, ) (CC ) (ADJP (ADJP (RB ) (JJ ) (S (VP (TO ) (VP (VB ) (VP (VBN ) (PP (IN ))))))) (PP (IN ) (NP (PRP$ ) (NN ) (POS )))) (, )))