Triple

Target entity: Second Arab siege of Constantinople
Context triple: [Arab naval forces, notableBattle, Second Arab siege of Constantinople]

• A. Siege of Constantinople (626)
  The Siege of Constantinople in 626 was a major failed joint Avar and Sasanian attempt to capture the Byzantine capital, marking a decisive turning point in the Roman–Persian Wars.
• B. Siege of Antioch
  The Siege of Antioch was a pivotal 1097–1098 military engagement during the First Crusade in which Crusader forces captured the strategically vital city of Antioch after a prolonged blockade and brutal fighting, significantly shaping the campaign’s outcome.
• C. Second Arab siege of Constantinople (717–718) chosen
  The Second Arab siege of Constantinople (717–718) was a major early medieval conflict in which the Byzantine Empire successfully repelled a massive Umayyad assault on its capital, halting Arab expansion into Eastern Europe.
• D. Siege of Nicaea
  The Siege of Nicaea was a pivotal 1097 military campaign in the First Crusade in which Crusader and Byzantine forces captured the Seljuk-held city of Nicaea, opening the way into Anatolia.
• E. Siege of Amorium
  The Siege of Amorium was a major 9th-century Abbasid victory over the Byzantine Empire in 838, resulting in the sack of one of Byzantium’s most important cities and marking a significant turning point in the Arab–Byzantine wars.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.