(S (S (SBAR (WHADVP (WRB When)) (S (VP (VBN questioned)))) (COMMA ,) (S (BASENP (NNP Luong)) (VP (VP (VBD claimed) (NP (BASENP (NN responsibility)) (PP (IN for) (BASENP (DT the) (NN act))))) (COMMA ,) (S (VP (VBG saying) (SBAR (IN that) (S (BASENP (PRP he)) (VP (VP (VP (VBD threw) (BASENP (DT the) (NNS children))) (PP (IN into) (BASENP (DT the) (NN river)))) (PP (IN after) (NP (BASENP (DT an) (NN argument)) (PP (IN with) (BASENP (PRPD his) (NNS wife))))))))))))) (PERIOD .))