<prompt> Translate the following text to EnglishJinsi alivyopaswa kumkamata Bi. Vandemeer mpaka wanaume hao wawili walipofika, hakujua, lakini kwa namna moja au nyingine ilibidi afanywe, na alipaswa kutimiza kazi hiyo peke yake.  <response>: How she was to detain Mrs. Vandemeyer until the two men arrived, she did not know, but somehow or other it had to be done, and she must accomplish the task single-handed. 