(S (S (NP (QP (ADVP (IN At) (JJS least)) (NN 30)) (NNS people)) (VP (VBP have) (VP (VBN been) (VP (VBN killed) (PP (IN by) (NP (BASENP (JJ twin) (NNS earthquakes)) (PP (IN in) (NP (BASENP (NNP Rwanda)) (CC and) (NP (BASENP (DT the) (NNP Democratic) (NNP Republic)) (PP (IN of) (BASENP (DT the) (NNP Congo)))))))))))) (PERIOD .))