(S (S (BASENP (JJ Rwandan) (NNS officials)) (VP (VBP have) (VP (VBN been) (VP (VBN quoted) (PP (IN as) (S (VP (VBG saying) (SBAR (IN that) (S (BASENP (DT the) (JJ Ugandan) (NN convoy)) (VP (VBD violated) (NP (BASENP (NNS rules)) (PP (IN on) (NP (BASENP (DT the) (NN number)) (PP (IN of) (NP (BASENP (NNS guns)) (SBAR (S (BASENP (PRP they)) (VP (VBP are) (VP (VBN allowed) (S (VP (TO to) (VP (VB carry) (PP (IN across) (BASENP (DT the) (NN border))))))))))))))))))))))))) (PERIOD .))