Triple

Target entity: Song dynasty
Context triple: [Jurchen, conflictedWith, Song dynasty]

• A. Song dynasty chosen
  The Song dynasty was a major Chinese imperial dynasty (960–1279) known for its economic prosperity, urbanization, technological innovation, and flourishing arts and culture.
• B. Tang dynasty
  The Tang dynasty was a powerful and culturally flourishing imperial era of China (618–907 CE) renowned for its advances in art, literature, technology, and cosmopolitan trade along the Silk Road.
• C. Sui–Tang period
  The Sui–Tang period was a formative era in Chinese history (late 6th to early 10th century) marked by imperial unification, major administrative reforms, and flourishing culture that laid the foundations for later dynasties.
• D. Yuan dynasty
  The Yuan dynasty was a Chinese imperial dynasty established by the Mongol leader Kublai Khan that ruled China as part of the vast Mongol Empire in the 13th and 14th centuries.
• E. Sui dynasty
  The Sui dynasty was a short-lived but pivotal Chinese imperial dynasty (581–618 CE) that reunified China after centuries of division and laid the foundations for the subsequent Tang dynasty through major administrative and infrastructural reforms.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.