Triple

Target entity: Battle of Tapae (c. 88 CE)
Context triple: [Decebalus, notableBattle, Battle of Tapae (c. 88 CE)]

• A. Battle of Tapae chosen
  The Battle of Tapae was a key engagement between Roman forces under Emperor Domitian and later Trajan and the Dacians, fought near the Iron Gates of Transylvania and remembered as a crucial step in Rome’s eventual conquest of Dacia.
• B. Battle of Kunyang
  The Battle of Kunyang was a decisive 23 CE conflict in which Liu Xiu (later Emperor Guangwu of Han) led vastly outnumbered Han forces to defeat the Xin dynasty army, paving the way for the restoration of the Eastern Han.
• C. Battle of Bang Bo
  The Battle of Bang Bo was a key 1885 engagement in northern Vietnam during the Sino-French War, in which Chinese forces repelled a French offensive near the border with China.
• D. Battle of Tirad Pass
  The Battle of Tirad Pass was a 1899 clash in the Philippine–American War where a small Filipino force led by General Gregorio del Pilar made a famed last stand to delay pursuing American troops and protect President Emilio Aguinaldo’s retreat.
• E. Battle of Cao Bằng
  The Battle of Cao Bằng was a key 1979 clash between Chinese and Vietnamese forces in northern Vietnam that played a significant role in the course of the Sino-Vietnamese War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.