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': 'RA antibody causes which type of hypersensitivity? \nSelect and explain. \nA. Type 1, B. Type 2, C. Type 3, D. India ink', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Type 3Rheumatoid ahritis (caused by RA antibody) is type - 3 hypersensitivity.", 'role': 'assistant'}]