(S (S (PP (IN In) (NP (BASENP (DT a) (NN reaction)) (PP (TO to) (BASENP (DT the) (NN school) (NN massacre))))) (COMMA ,) (S (NP (BASENP (DT the) (NN gun) (NN control) (NN group)) (NP (BASENP (NNP Brady) (NNP Campaign)) (SBAR (S (VP (TO to) (VP (NNP Prevent) (BASENP (NNP Gun) (NNP Violence)))))))) (VP (VBZ asks) (PP (IN for) (QT (DQL ``) (NP (BASENP (JJ common-sense) (NNS actions)) (SBAR (S (VP (TO to) (VP (VP (VB prevent) (NP (BASENP (NNS tragedies)) (PP (IN like) (BASENP (DT this))))) (PP (IN from) (S (VP (VBG continuing) (S (VP (TO to) (VP (VB occur)))))))))))) (DQR '')))))) (PERIOD .))