input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In multirooted teeth, formation of multiple roots is due to presence of:   (A) Epithelial diaphragm   (B) Cell rests of Malassez   (C) Toot bud division or bell stage   (D) None of the above
output: ['(A) Epithelial diaphragm <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Epithelial diaphragm  (B) Cell rests of Malassez  (C) Toot bud division or bell stage  (D) None of the above <> possible answers', '  In multirooted teeth, formation of multiple roots is due to presence of: <> context']