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: Theon of Alexandria | Statement: [Hellenistic astronomy, hasNotableAstronomer, Theon of Alexandria]

Target entity: Theon of Alexandria
Context triple: [Hellenistic astronomy, hasNotableAstronomer, Theon of Alexandria]

• A. Appian of Alexandria
  Appian of Alexandria was a 2nd-century AD Greek historian and Roman official best known for his multi-volume work "Roman History," which chronicles Rome’s rise and its civil wars.
• B. Alexander of Alexandria
  Alexander of Alexandria was a 4th-century Patriarch of Alexandria best known for his staunch defense of Nicene orthodoxy and his early opposition to the teachings of Arius.
• C. Geminus of Rhodes
  Geminus of Rhodes was a 1st-century BCE Greek astronomer and mathematician known for his influential introductory treatise on astronomy, the "Introduction to the Phenomena."
• D. Theodotus of Chios
  Theodotus of Chios was a Greek rhetorician and tutor to Ptolemy XIII who became notorious for advising the execution of the exiled Roman general Pompey the Great in Egypt.
• E. Dioscorus of Alexandria
  Dioscorus of Alexandria was a 5th-century Coptic patriarch of Alexandria whose controversial leadership and Christological views played a central role in the theological conflicts surrounding the Council of Chalcedon.
• 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: Theon of Alexandria
Triple: [Hellenistic astronomy, hasNotableAstronomer, Theon of Alexandria]

Theon of Alexandria was a 4th-century Greek mathematician and astronomer best known as the last recorded scholar of the Library of Alexandria and for his influential commentaries on Ptolemy’s Almagest and Euclid’s Elements.

Target entity: Theon of Alexandria
Target entity description: Theon of Alexandria was a 4th-century Greek mathematician and astronomer best known as the last recorded scholar of the Library of Alexandria and for his influential commentaries on Ptolemy’s Almagest and Euclid’s Elements.

• A. Appian of Alexandria
  Appian of Alexandria was a 2nd-century AD Greek historian and Roman official best known for his multi-volume work "Roman History," which chronicles Rome’s rise and its civil wars.
• B. Alexander of Alexandria
  Alexander of Alexandria was a 4th-century Patriarch of Alexandria best known for his staunch defense of Nicene orthodoxy and his early opposition to the teachings of Arius.
• C. Geminus of Rhodes
  Geminus of Rhodes was a 1st-century BCE Greek astronomer and mathematician known for his influential introductory treatise on astronomy, the "Introduction to the Phenomena."
• D. Theodotus of Chios
  Theodotus of Chios was a Greek rhetorician and tutor to Ptolemy XIII who became notorious for advising the execution of the exiled Roman general Pompey the Great in Egypt.
• E. Dioscorus of Alexandria
  Dioscorus of Alexandria was a 5th-century Coptic patriarch of Alexandria whose controversial leadership and Christological views played a central role in the theological conflicts surrounding the Council of Chalcedon.
• F. None of above. chosen