(S (S (S (BASENP (NNS Reports)) (VP (BASENP (JJ last) (NN night)) (VP (VBD indicated) (SBAR (S (BASENP (NNS hostages)) (VP (MD may) (VP (VB have) (VP (VBN been) (VP (VBN taken) (PP (IN at) (BASENP (DT the) (NN base)))))))))))) (CONJP (COMMA ,) (CC but)) (S (BASENP (NNS officials)) (VP (VBP have) (VP (VBN confirmed) (SBAR (S (S (NP (BASENP (DT all) (NNS foreigners)) (PP (IN at) (BASENP (DT the) (NN base)))) (VP (VBP are) (ADJP (JJ safe)))) (CC and) (S (NP (BASENP (DT any) (NNS hostages)) (VP (VBN taken))) (VP (VBP have) (VP (VBN been) (VP (VBN freed))))))))))) (PERIOD .))