input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Drug adveisement letter is a necessary component of each drug formulation and contains various information about the drug like drug dosing, frequency and half-life. Which of the following information need not be given in the drug adveisement letter?   (A) Research papers and other aicles proving efficacy of the drug   (B) Date of expiry of the drug   (C) Rare, but serious life threatening adverse-effects   (D) Common, not so serious adverse-effects
output: ['(B) Date of expiry of the drug <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Research papers and other aicles proving efficacy of the drug  (B) Date of expiry of the drug  (C) Rare, but serious life threatening adverse-effects  (D) Common, not so serious adverse-effects <> possible answers', '  Drug adveisement letter is a necessary component of each drug formulation and contains various information about the drug like drug dosing, frequency and half-life. Which of the following information need not be given in the drug adveisement letter? <> context']