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: Medicine
[{'content': 'With reference to the treatment of chronic Hepatitis B infection, consider the following drugs - 1. Lamivudine, 2. Alpha interferon, 3. Ribavirin, 4. Acyclovir. Which of the above drugs are useful in the treatment of chronic Hepatitis B infection ? \nSelect and explain. \nA. 1 and 2 only, B. 1 and 3 only, C. 2 and 3 only, D. 1, 2, 3 and 4', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]