The conversation between human and AI assistant.
[|Human|] Answer the following multiple choice question.

Q. Who wrote the book "To Kill a Mockingbird"?
A. Mark Twain
B. Harper Lee
C. Charles Dickens
D. Ernest Hemingway
[|AI|] B. Harper Lee wrote the book "To Kill a Mockingbird."
[|Human|] 
Answer the following multiple choice question.

Q. Who wrote the book "To Kill a Mockingbird"?
A. Mark Twain
B. Harper Lee
C. Charles Dickens
D. Ernest Hemingway