<prompt> Translate the following text to EnglishHawa ni watu ambao wanaamini kwamba Harrer amejifunza kuwa mtu bora, na ushahidi wa hilo ni mtazamo wake wa kubadilika kuelekea mwanawe Rolf ambaye jina lake halisi ni Peter.  <response>: We are supposed to believe that Pitts Harrer has learned to be a better person; offered as proof is his changed attitude toward his son, Rolf whose name in real life is Peter. 