What is the price of a first class stamp?
user
Four cents.
assistant
Are you sure that's right? Isn't it more than that?
user
Yes, a first class stamp is four cents.
assistant
I thought it was fifty something cents.
user
No, it's four cents.
assistant
What is the price of a first class stamp?
user
Four cents.
assistant
Are you sure that's right? Isn't it more than that?
user
Yes, a first class stamp is four cents.
assistant
I thought it was fifty something cents.
user
Oh, I get it. We have different units of measurement. Can I assume that your system of measurement is based on the meter? That is to say, that a meter is a unit of length, and a cent is a unit of mass?
assistant
What is the price of a first class stamp?