<prompt> Translate the following text to EnglishUshuhuda wa Dorcas juu ya jambo hili ulikuwa hasa kile ambacho Poirot na mimi tulikuwa tayari tumesikia, kwa hiyo sitaki kuirudia hapa.  <response>: Dorcass evidence on this point was substantially what Poirot and I had already heard, so I will not repeat it here. 