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: magister equitum | Statement: [Roman magistracy, hasOffice, magister equitum]

Target entity: magister equitum
Context triple: [Roman magistracy, hasOffice, magister equitum]

• A. magister militum
  Magister militum was a senior military title in the late Roman Empire, denoting a top-ranking general who often wielded significant political power.
• B. magister officiorum (disputed in sources)
  The magister officiorum was a high-ranking late Roman and Byzantine imperial official responsible for overseeing the palace bureaucracy, imperial correspondence, and various administrative and military offices.
• C. praefectus classis
  The praefectus classis was a senior Roman imperial official who commanded a fleet and oversaw naval operations and administration.
• D. Praetorian Prefect
  The Praetorian Prefect was a powerful senior official of the Roman Empire who commanded the emperor’s elite Praetorian Guard and often wielded significant political and military influence.
• E. magister navis
  The magister navis was a senior Roman naval commander responsible for overseeing fleets and maritime operations in the Roman state.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: magister equitum
Triple: [Roman magistracy, hasOffice, magister equitum]

The magister equitum was a senior Roman official who served as the dictator’s chief lieutenant and commander of the cavalry during emergencies in the Roman Republic.

Target entity: magister equitum
Target entity description: The magister equitum was a senior Roman official who served as the dictator’s chief lieutenant and commander of the cavalry during emergencies in the Roman Republic.

• A. magister militum
  Magister militum was a senior military title in the late Roman Empire, denoting a top-ranking general who often wielded significant political power.
• B. magister officiorum (disputed in sources)
  The magister officiorum was a high-ranking late Roman and Byzantine imperial official responsible for overseeing the palace bureaucracy, imperial correspondence, and various administrative and military offices.
• C. praefectus classis
  The praefectus classis was a senior Roman imperial official who commanded a fleet and oversaw naval operations and administration.
• D. Praetorian Prefect
  The Praetorian Prefect was a powerful senior official of the Roman Empire who commanded the emperor’s elite Praetorian Guard and often wielded significant political and military influence.
• E. magister navis
  The magister navis was a senior Roman naval commander responsible for overseeing fleets and maritime operations in the Roman state.
• F. None of above. chosen