Grisham, a famous author, is accused of killing Victor Victim in cold blood. When Grisham was arrested, the police found a letter in his coat pocket written by Victor and addressed to Grisham. The letter said: "I know you copied your last novel from my father's work. I demand that you pay me $500,000 or I will sue you in court and destroy your reputation." The prosecutor wishes to admit the letter as evidence against Grisham. The letter is:

A. Hearsay if used to prove that Grisham copied his last novel.

B.Hearsay for either of the two purposes listed in (a) and (b).

C. Not hearsay no matter what it is meant to prove.