<prompt> Translate the following text to EnglishMwendesha mashtaka amekuwa akishindwa kutoa ushahidi wowote kuunga mkono madai yake kwamba ni mfungwa aliyemwagiza Parkson kuvalia ndevu nyeusi.  <response>: The prosecution had been unable to produce a shred of evidence in support of their contention that it was the prisoner who ordered the black beard from Parksons. 