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: Epistola ad Michaelem | Statement: [Guido of Arezzo, wrote, Epistola ad Michaelem]

Target entity: Epistola ad Michaelem
Context triple: [Guido of Arezzo, wrote, Epistola ad Michaelem]

• A. Epistola Tractoria
  Epistola Tractoria is a doctrinal letter by Pope Zosimus that condemned Pelagianism and required bishops to affirm orthodox teachings on grace and original sin.
• B. Letter to Serapion
  Letter to Serapion is a theological treatise by Athanasius of Alexandria that defends the divinity and personhood of the Holy Spirit within Trinitarian doctrine.
• C. Epistle to Philemon
  The Epistle to Philemon is a brief New Testament letter in which Paul appeals to a Christian slave owner to receive back his runaway slave Onesimus as a beloved brother in Christ.
• D. Epistle to Dr Arbuthnot
  Epistle to Dr Arbuthnot is a satirical poem by Alexander Pope that serves as both a defense of his own literary career and a critique of his contemporaries and critics.
• E. Epistle of the Apostles
  The Epistle of the Apostles is an early Christian pseudepigraphal text, framed as a letter from the apostles, that combines doctrinal instruction with apocalyptic and anti-gnostic themes.
• 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: Epistola ad Michaelem
Triple: [Guido of Arezzo, wrote, Epistola ad Michaelem]

Epistola ad Michaelem is a medieval theoretical treatise by music theorist Guido of Arezzo, in which he explains and systematizes his innovative methods for teaching and notating music.

Target entity: Epistola ad Michaelem
Target entity description: Epistola ad Michaelem is a medieval theoretical treatise by music theorist Guido of Arezzo, in which he explains and systematizes his innovative methods for teaching and notating music.

• A. Epistola Tractoria
  Epistola Tractoria is a doctrinal letter by Pope Zosimus that condemned Pelagianism and required bishops to affirm orthodox teachings on grace and original sin.
• B. Letter to Serapion
  Letter to Serapion is a theological treatise by Athanasius of Alexandria that defends the divinity and personhood of the Holy Spirit within Trinitarian doctrine.
• C. Epistle to Philemon
  The Epistle to Philemon is a brief New Testament letter in which Paul appeals to a Christian slave owner to receive back his runaway slave Onesimus as a beloved brother in Christ.
• D. Epistle to Dr Arbuthnot
  Epistle to Dr Arbuthnot is a satirical poem by Alexander Pope that serves as both a defense of his own literary career and a critique of his contemporaries and critics.
• E. Epistle of the Apostles
  The Epistle of the Apostles is an early Christian pseudepigraphal text, framed as a letter from the apostles, that combines doctrinal instruction with apocalyptic and anti-gnostic themes.
• F. None of above. chosen