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': 'A 20 year old male with history of fever and enlarged lymphnodes and sore throat, suspected to have infections mononucleosis and was ordered a Paul Bunnel test. What is the principle of the test: \nSelect and explain. \nA. Heterophile agglutination test, B. Neutralization test, C. Complement fixation test, D. Agglutination reaction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) i.e. Heterophile agglutination test', 'role': 'assistant'}]