answer: #Person2# has prepared well for the final examination but #Person1# doubts.
documents: #Person1#: The final examination will be held at the end of this month. Have you made good preparation?
  #Person2#: Sure. I've reviewed all the lessons I have learned this academic year.
  #Person1#: Are you sure you can do well this year?
  #Person2#: I am 100 % certain.
  #Person1#: According to what you did last time, I have my doubts.
  #Person2#: I am sure I can get a 95 this time.