(SINV (SINV (SBARQ (SBARQ (SBAR (IN If) (S (NP (EX there)) (VP (VBD had) (VP (VBN been) (BASENP (JJ extra) (NNS guns)))))) (COMMA ,) (SBARQ (WHADVP (WRB why)) (SQ (MD could) (SQ (BASENP (PRP they)) (VP (ADVP (RB not)) (VP (VP (VB be) (VP (VP (VBN left) (PP (IN on) (BASENP (DT the) (NN border)))) (PP (IN for) (BASENP (JJR later) (NN collection))))) (CC and) (VP (VB allow) (S (BASENP (DT the) (NNS vehicles)) (VP (TO to) (VP (VB continue))))))))))) (PERIOD ?)) (SINV (VP (VBD said)) (NP (BASENP (DT a) (NN statement)) (PP (IN from) (NP (BASENP (NNP Uganda) (POS 's)) (BASENP (JJ foreign) (NN ministry))))))) (PERIOD .))