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': 'All the following are true about Listeria except: \nSelect and explain. \nA. Catalase +ve, B. Anton test +ve, C. Non motile, D. Causes chorioamnionitis is pregnant females', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Listeria shows tumbling motility.', 'role': 'assistant'}]