(S (S (S (NP (QP (ADVP (IN At) (JJS least)) (NN three)) (NNS people)) (VP (VBP have) (VP (VBN been) (VP (VBN killed))))) (CC and) (S (BASENP (JJ several) (NNS buildings)) (VP (VBP have) (VP (VBN been) (VP (VBN damaged)))))) (PERIOD .))