his penchant for tearing up on cue -- 
(ROOT (NP (NP (PRP$ his) (NN penchant)) (PP (IN for) (S (VP (VBG tearing) (PRT (RP up)) (PP (IN on) (NP (NN cue)))))) (: --)))
(ROOT (NP (NP (PRP$ ) (NN )) (PP (IN ) (S (VP (VBG ) (PRT (RP )) (PP (IN ) (NP (NN )))))) (: )))