Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Nick Cannon has signed and sealed a deal to write a tell-all book about his marriage to Mariah Carey -  and she is furious about him betraying her. Mariah rejected Nick's numerous demands for a $30 million divorce settlement so now he's writing the book — saying he plans get his payday for being married to her one way or another - and there is nothing she can do about it because he already signed the deal last week with major publishing company Simon and Schuster. Simon & Schuster has confirmed to Daily Mail Online that the book is being published by Gallery Books, an imprint of the high-powered publisher.Nick Cannon has demanded $30M to settle his divorce from Mariah - even though their prenup calls for lessMariah has refused and now Nick has inked a deal with an imprint of Simon & Schuster, Gallery BooksNick filed for divorce last December after six years of marriageMariah and Nick have been battling about money and custody of their twins ever sinceNick to reveal secrets about drug use, strange eating habits, her put-downs of other artists, her sexual proclivities 
 Question:'_ says it is what they agreed to in the prenup before they got married.

Mariah Carey