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': 'Which of the following is type III hypersensitivity reaction: September 2006 \nSelect and explain. \nA. Prausnitz-kustner reaction, B. Contact dermatitis, C. Ahus reaction, D. Rh incompatibility', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Ahus reaction', 'role': 'assistant'}]