a bore that tends to hammer home every one of its points . 
(ROOT (NP (NP (DT a) (NN bore)) (SBAR (WHNP (WDT that)) (S (VP (VBZ tends) (S (VP (TO to) (VP (VB hammer) (ADVP (RB home)) (NP (NP (DT every) (CD one)) (PP (IN of) (NP (PRP$ its) (NNS points)))))))))) (. .)))
(ROOT (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (S (VP (TO ) (VP (VB ) (ADVP (RB )) (NP (NP (DT ) (CD )) (PP (IN ) (NP (PRP$ ) (NNS )))))))))) (. )))