input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Pulp mummification is indicated in:   (A) Non-vital tooth   (B) Deep caries on a symptomatic vital tooth   (C) Traumatic exposure of a vital tooth   (D) Traumatic exposure of a vital tooth with open wide apex
output: ['(C) Traumatic exposure of a vital tooth <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Non-vital tooth  (B) Deep caries on a symptomatic vital tooth  (C) Traumatic exposure of a vital tooth  (D) Traumatic exposure of a vital tooth with open wide apex <> possible answers', '  Pulp mummification is indicated in: <> context']