Noun clause because the clause is modifying the noun
Noun :story
The story is not true
Throughout the dialogue, the author depicts an incredibly farfetched outcome. Leaving the man with a longing for justice. The man believes the woman deserves to be Avenged and takes matter into his own hands, leaving the reader and a cliffhanger.
In a business letter or any formal letter you will traditionally use the salutation of.
A. Dear Senator Smith,
This is only slightly different from Dear Senator Smith - however the comma is an important element grammatically that should be included in a formal letter.