Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Sassanid–Roman conflicts under Severus Alexander | Statement: [Assassination of Severus Alexander, chronologicallyFollows, Sassanid–Roman conflicts under Severus Alexander]

Target entity: Sassanid–Roman conflicts under Severus Alexander
Context triple: [Assassination of Severus Alexander, chronologicallyFollows, Sassanid–Roman conflicts under Severus Alexander]

• A. Parthian campaign of Severus Alexander chosen
  The Parthian campaign of Severus Alexander was a Roman military expedition led by Emperor Severus Alexander against the Sasanian (often termed Parthian) Empire in the early 3rd century, marked by limited success and later overshadowed by his troubles on the German frontier.
• B. Roman–Parthian War of 161–166
  The Roman–Parthian War of 161–166 was a major conflict between the Roman Empire and the Parthian Empire during the reign of Marcus Aurelius and Lucius Verus, marked by Roman campaigns in Armenia and Mesopotamia that temporarily expanded Roman influence in the East.
• C. 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.
• D. Parthian campaigns of Septimius Severus
  The Parthian campaigns of Septimius Severus were a series of early 3rd-century Roman military expeditions in Mesopotamia that expanded imperial control and culminated in the capture and sacking of the Parthian capital Ctesiphon.
• E. Roman–Palmyrene War
  The Roman–Palmyrene War was a 3rd-century conflict in which the Roman Empire fought to suppress the breakaway Palmyrene Empire led by Queen Zenobia and restore imperial control over the Eastern provinces.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.