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: Social & Preventive Medicine
[{'content': 'Soft tick transmits: \nSelect and explain. \nA. Relapsing fever, B. KFD, C. Tularemia, D. Indian tick typhus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Among the given options soft tick transmits relapsing fever while the KFD, tularemia and Indian tick typhus are transmitted by hard ticks. Ref: Park Textbook of Preventive and Social Medicine, 19th Edition, Pages 622-23, 634-35', 'role': 'assistant'}]