is a convincing one , and should give anyone with a conscience reason to pause . 
(ROOT (S (VP (VBZ is) (NP (DT a) (JJ convincing) (NN one))) (, ,) (CC and) (VP (MD should) (VP (VB give) (NP (NP (NN anyone)) (PP (IN with) (NP (DT a) (NN conscience)))) (NP (NP (NN reason)) (SBAR (S (VP (TO to) (VP (VB pause)))))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (DT ) (JJ ) (NN ))) (, ) (CC ) (VP (MD ) (VP (VB ) (NP (NP (NN )) (PP (IN ) (NP (DT ) (NN )))) (NP (NP (NN )) (SBAR (S (VP (TO ) (VP (VB )))))))) (. )))