Read the following dialog and answer the question.

Nairobi: So how long has it been since the first publishing of your first novel?

Berlin: It's been three weeks since then.

Nairobi: (1) So, how many copies have been sold this far?

Berlin: Thank God. (2) Many people seem to like it very much. Since the first publishing three weeks ago, there have been over 500 copies sold.

Nairobi: Splendid! (3) I'd like to congratulate you on your success at your first time publishing your novels.

Berlin: Thank you very much, Mrs. Nairobi. It's very kind of you to say so.

Nairobi: (4) Keep up the good work, Berlin. I know you could be a great author someday.

Source: youtube.com

The following statements are valid based on the dialog, except ...