This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Doc for Listeria Monocytogenes is \nSelect and explain. \nA. Amoxycillin, B. Ampicillin, C. Amikacin, D. Ceftriaxone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Doc - Ampicillin\nCotrimoxazole in case of penicillin allergy.', 'role': 'assistant'}]