input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** DOC for bacterial vaginosis in pregnancy   (A) Clindamycin   (B) Erythromycin   (C) Rovamycin   (D) Metronidazole
output: ['(D) Metronidazole <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Clindamycin  (B) Erythromycin  (C) Rovamycin  (D) Metronidazole <> possible answers', '  DOC for bacterial vaginosis in pregnancy <> context']