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: Severan dynasty succession crisis | Statement: [Murder of Geta, hasContext, Severan dynasty succession crisis]

Target entity: Severan dynasty succession crisis
Context triple: [Murder of Geta, hasContext, Severan dynasty succession crisis]

• A. Severan dynasty succession crisis chosen
  The Severan dynasty succession crisis was a turbulent period in the early 3rd-century Roman Empire marked by violent power struggles and civil conflict among members of the Severan imperial family.
• B. Year of the Five Emperors
  The Year of the Five Emperors was a tumultuous period of civil war and rapid imperial succession in 193 AD that ultimately paved the way for the rise of the Severan dynasty in the Roman Empire.
• C. Crisis of the Third Century
  The Crisis of the Third Century was a period of severe political instability, military upheaval, economic collapse, and external invasion that nearly caused the disintegration of the Roman Empire between roughly 235 and 284 CE.
• D. Year of the Six Emperors
  The Year of the Six Emperors was a tumultuous period in 238 AD when rapid successions and overlapping claims to the Roman imperial throne led to extreme political instability in the empire.
• E. Reign of Macrinus
  The Reign of Macrinus was a brief period in Roman imperial history (AD 217–218) when the praetorian prefect Macrinus became emperor following Caracalla’s death, marked by military discontent and his eventual overthrow.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.