input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The case of biliary duct stricture with retching and vomiting, given 3mg morphine epiduraly daily, one day 12 mg mistakenly dose of epidural, morphine given. Not present:-   (A) Itching   (B) Urinary retention   (C) Increase vomiting   (D) Overstimulation of respiratory centre
output: ['(D) Overstimulation of respiratory centre <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Itching  (B) Urinary retention  (C) Increase vomiting  (D) Overstimulation of respiratory centre <> possible answers', '  The case of biliary duct stricture with retching and vomiting, given 3mg morphine epiduraly daily, one day 12 mg mistakenly dose of epidural, morphine given. Not present:- <> context']