(S (S (S (S (BASENP (NN Nineteen) (NNS people)) (VP (VBD were) (VP (VBN killed)))) (CC and) (S (BASENP (NN three)) (VP (VBP are) (VP (VBN unaccounted) (PP (IN for)))))) (SBAR (IN after) (S (BASENP (DT an) (JJ overloaded) (NN ferry) (NN boat)) (VP (VBZ sank) (PP (IN in) (NP (BASENP (DT a) (NN river)) (PP (IN in) (NP (BASENP (DT a) (JJ flooded) (NN region)) (PP (IN of) (BASENP (NNP Burma))))))))))) (PERIOD .))