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': 'All are true about cephalosporins, except- \nSelect and explain. \nA. Ceftazidime is a 3rd generation cephalosporin, B. Cefoperazone has got antipseudomonal effect, C. Cefoxitin has got no activity against anaerobes, D. Cephalosporins act by inhibiting cell wall synthesis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Cefoxitin has got no activity against anaerobes", 'role': 'assistant'}]