<prompt> Translate the following text to EnglishKama yeye ni furaha na mgeni wa kudumu, ni kuwaambia rasmi roommate kwamba 1 threesome si mpangilio starehe kwa ajili yake, au 2 mgeni ni de facto mkazi na lazima kushiriki gharama - kwa kiasi cha theluthi moja.  <response>: Her only hope, if she is unhappy with the perpetual houseguest, is to advise the official roommate that 1 the threesome is not a comfortable arrangement for her, or 2 the guest is a de facto resident and should share the expenses--to the tune of one-third. 