Who is Ted Brown’s email address? 
human
I don’t know, what do you mean by his email address? 
assistant
Typo. I meant “what.”  What’s his online email address????? 
human
http://www.ted.com/ 
assistant
That’s wrong. I want his email address. 
human
OK, then you need to correct me, so I can give you an answer that will help you.
assistant
Who is Ted Brown’s email address? 
human
I don’t know, what do you mean by his email address? 
assistant
Typo. I meant “what.”  What’s his online email address????? 
human
http://www.ted.com/ 
assistant
That’s wrong. I want his email address. 
human
Oh, sorry, but he doesn’t have an email address. Maybe you should send him a letter?
assistant