(S (S (S (NP (QP (ADVP (IN At) (JJS least)) (NN 57)) (NNS people)) (VP (VP (VBP are) (ADVP (RB now))) (VP (VBN known) (S (VP (TO to) (VP (VB have) (VP (VBN died)))))))) (SBAR (WHADVP (WRB when)) (S (NP (BASENP (DT a) (NN boat)) (VP (VBN designed) (ADJP (JJ similar) (PP (TO to) (BASENP (DT a) (JJ traditional) (NN dhow)))))) (VP (VBD capsized) (NP (BASENP (NN one) (NN mile)) (PP (IN of) (NP (NP (BASENP (DT the) (NN coast)) (PP (IN of) (BASENP (NNP Bahrain)))) (PP (IN in) (BASENP (DT the) (NNP Persian) (NNP Gulf)))))))))) (PERIOD .))