(S (S (BASENP (JJ Local) (NN government) (NNS officials)) (VP (VBP have) (VP (VBN said) (SBAR (IN that) (S (NP (QP (ADVP (IN at) (JJS least)) (NN eleven)) (NNS people)) (VP (VBD were) (VP (VP (VP (VBN killed) (PP (IN on) (BASENP (NNP Sunday)))) (PP (IN in) (BASENP (JJ southern) (NNP Afghanistan)))) (PP (IN by) (BASENP (DT a) (JJ roadside) (NN bomb)))))))))) (PERIOD .))