input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Contractile element in myofibril is:   (A) H band   (B) Sarcoplasm   (C) Sarcomere   (D) A line
output: ['(C) Sarcomere <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) H band  (B) Sarcoplasm  (C) Sarcomere  (D) A line <> possible answers', '  Contractile element in myofibril is: <> context']