input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is the most common symptom of aooiliac occlusive disease?   (A) Calf claudication   (B) Gluteal claudication   (C) Impotence   (D) Symptomless
output: ['(B) Gluteal claudication <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Calf claudication  (B) Gluteal claudication  (C) Impotence  (D) Symptomless <> possible answers', '  Which of the following is the most common symptom of aooiliac occlusive disease? <> context']