input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Postherpetic neuralgia is defined as pain lasting beyond how many weeks?   (A) 1 week   (B) 2 weeks   (C) 3 weeks   (D) 4 weeks
output: ['(D) 4 weeks <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 1 week  (B) 2 weeks  (C) 3 weeks  (D) 4 weeks <> possible answers', '  Postherpetic neuralgia is defined as pain lasting beyond how many weeks? <> context']