(S (S (NP (BASENP (NNS Buildings)) (PP (IN across) (BASENP (DT the) (NN capital)))) (VP (VBP have) (VP (VBN collapsed) (COMMA ,) (PP (VBG including) (NP (BASENP (DT the) (JJ presidential) (NN palace)) (CC and) (NP (BASENP (DT the) (NNS headquarters)) (PP (IN of) (NP (BASENP (DT the) (NNP United) (NNPS Nations) (NN peacekeeping) (NN mission)) (PP (IN in) (BASENP (NNP Haiti))))))))))) (PERIOD .))