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: Unknown
[{'content': 'Decreased motility of fallopian tube is seen in - \nSelect and explain. \nA. Churg- strauss syndrome, B. Kartagener s syndrome, C. Noonan syndrome, D. Turner syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans-B', 'role': 'assistant'}]