A

Sept.2, 1999

Dear Mr. & Mrs. John Wang,

We are happy to accept your invitation for dinner on Sept. 4.

Sincerely,

Peter Chen

B

Sept.2, 1999

Dear Mr. Wang,

I am sorry but we cannot attend the
dinner you are holding on Sept. 4.
We have a previous engagement that
is preventing our coming, but thank
you for the invitation.

Sincerely,

Peter Chen