(S (S (S (S (BASENP (NN Fifty) (NNS people)) (VP (VBP are) (VP (VBN feared) (S (VP (TO to) (VP (VB have) (VP (VBN drowned)))))))) (SBAR (IN after) (S (BASENP (DT a) (NN boat)) (VP (VP (VBD capsized) (PP (IN in) (NP (BASENP (DT the) (NNP Bagmati)) (PRN (COMMA ,) (BASENP (DT an) (JJ Indian) (NN river)) (COMMA ,))))) (PP (IN on) (BASENP (NNP Tuesday))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (DT the) (NN government))))) (PERIOD .))