(S (S (S (BASENP (NN Rail) (NNS tracks)) (VP (VBP have) (VP (VBN been) (VP (VP (VBN lifted) (PP (IN in) (BASENP (DT some) (NNS areas)))) (S (VP (TO to) (VP (VB permit) (S (BASENP (NN flood) (NNS waters)) (VP (TO to) (VP (VB leave) (BASENP (DT the) (NN city)))))))))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (DT the) (NNP Thai) (NNP Navy)) (VP (VBZ has) (VP (VBN been) (VP (VBN ordered) (S (VP (TO to) (VP (VB take) (NP (BASENP (NN part)) (PP (IN in) (BASENP (NN relief) (NNS efforts)))))))))))) (PERIOD .))