Consider the following statements about Buddhist Tripitakas: 1. Vinayapitaka contains rules of monastic life. 2. Abhidhammapitaka contains sermons of Buddha. 3. Sutrapitaka contains philosophical doctrines of Buddhism. Which of the statements given above is/are correct?

• A. 1 only
• B. 1 and 2 only
• C. 2 and 3 only
• D. 1 and 3 only