You will be given a definition of a task first, then some input of the task.
Given a question and its paraphrases, answer the question. The answer should exactly answer all the questions given without any ambiguity. Don't give partial answers.

Questions: ['what is the ninth book in the sisters grimm?', 'what is the title for last book of the sisters grimm?', 'what is the title of the ninth book in the sisters grimm series?']
Output:
the council of mirrors