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: Pharmacology
[{'content': 'Advantages of amoxicillin over ampicillin are all except? \nSelect and explain. \nA. Better bioavailability & faster action, B. Spectrum includes H. influenzae & Shigella, C. Incidence of diarrhea is lower, D. Food does not interfere with its absorption', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Spectrum includes H. influenzae & Shigella", 'role': 'assistant'}]