Frau Alpert calls me Bob. That's wrong! Neither name is right. But they have stuck. Everybody uses them now.
Frau Alpert calls me Bob. I once told her that my name was not Bob. What a mistake! I explained several times and in great detail – my name is not Bob. She did not speak to me for a week. Frau Alpert calls me Bob.
Frau Alpert really is Frau Alpert. She now has a passport and a birth certificate to prove it. She said that they just appeared, came from nowhere. She even speaks the language. Frau Alpert calls me Bob.