My nephew wants Barnie for his birthday.  Do you know what that is? 
human
Barnie is a doll? 
assistant
I think it's some kind of animal 
human
Is it like a stuffed animal? 
assistant
Yeah and it's purple 
human
What kind of animal is it?
assistant
My nephew wants Barnie for his birthday.  Do you know what that is? 
human
Barnie is a doll? 
assistant
I think it's some kind of animal 
human
Is it like a stuffed animal? 
assistant
Yeah and it's purple 
human
OK, I'm not sure where you can buy a Barnie.
assistant