Triple

Target entity: Second Dacian War
Context triple: [Sarmizegetusa Regia, event, Second Dacian War]

• A. Dacian Wars chosen
  The Dacian Wars were a series of early 2nd-century Roman military campaigns in which Emperor Trajan conquered the Dacian kingdom, expanding the Roman Empire and securing its northeastern frontier.
• B. Marcomannic Wars
  The Marcomannic Wars were a series of mid-2nd century conflicts in which the Roman Empire fought Germanic and other tribes along the Danube frontier, severely testing imperial military strength under Emperor Marcus Aurelius.
• C. Domitian's Dacian Wars
  Domitian's Dacian Wars were a series of late 1st-century AD Roman military campaigns led by Emperor Domitian against the Dacian kingdom in the Balkans, preceding Trajan’s more famous Dacian Wars.
• D. Roman–Parthian Wars
  The Roman–Parthian Wars were a series of protracted military conflicts between the Roman Empire and the Parthian Empire over dominance in the Near East from the 1st century BCE to the 3rd century CE.
• E. Roman–Sarmatian conflicts
  The Roman–Sarmatian conflicts were a series of military confrontations between the Roman Empire and the Sarmatian tribes along the Danube frontier, marked by cavalry warfare and recurring clashes over control of the Balkan and Pannonian regions.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.