The correct answer is option 3: Jataka. The paintings of Ajanta depict the stories of Jataka. Jataka tales are stories from the previous lives of the Buddha, when he was still a bodhisattva, or an enlightened being. These stories illustrate moral lessons and teach values such as compassion, kindness, and generosity. The Jataka tales are an important part of Buddhist literature and teachings. The paintings at Ajanta, which were created between the 2nd century BCE and 5th century CE, beautifully depict these stories, showcasing the artistic talent and devotion of the artists who created them. The paintings of Ajanta are considered to be a significant cultural and historical treasure, providing insights into the ancient Buddhist heritage of India.