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: Abdallah ibn Tahir | Statement: [Tahirid dynasty, notableRuler, Abdallah ibn Tahir]

Target entity: Abdallah ibn Tahir
Context triple: [Tahirid dynasty, notableRuler, Abdallah ibn Tahir]

• A. Muhammad al-Shaybani
  Muhammad al-Shaybani was an influential early Islamic jurist and student of Abu Hanifa who played a key role in systematizing and transmitting Hanafi jurisprudence.
• B. Abdallah ibn Muhammad
  Abdallah ibn Muhammad was an Umayyad emir of Córdoba who ruled al-Andalus in the late 9th and early 10th centuries during a period of internal strife and weakening central authority.
• C. Abu al-ʿAbbās ʿAbd Allāh ibn Muḥammad
  Abu al-ʿAbbās ʿAbd Allāh ibn Muḥammad, known by his regnal title As-Saffah, was the founder and first caliph of the Abbasid Caliphate who overthrew the Umayyad dynasty in the mid-8th century.
• D. Abdullah ibn Muhammad
  Abdullah ibn Muhammad was one of the sons of the Islamic prophet Muhammad who died in early childhood.
• E. Qutaybah ibn Saʿid
  Qutaybah ibn Saʿid was a prominent early Islamic hadith scholar and transmitter whose narrations are found in the major Sunni hadith collections.
• 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: Abdallah ibn Tahir
Triple: [Tahirid dynasty, notableRuler, Abdallah ibn Tahir]

Abdallah ibn Tahir was a prominent 9th-century Tahirid governor and military commander who ruled Khurasan on behalf of the Abbasid Caliphate and helped maintain its authority in the eastern provinces.

Target entity: Abdallah ibn Tahir
Target entity description: Abdallah ibn Tahir was a prominent 9th-century Tahirid governor and military commander who ruled Khurasan on behalf of the Abbasid Caliphate and helped maintain its authority in the eastern provinces.

• A. Muhammad al-Shaybani
  Muhammad al-Shaybani was an influential early Islamic jurist and student of Abu Hanifa who played a key role in systematizing and transmitting Hanafi jurisprudence.
• B. Abdallah ibn Muhammad
  Abdallah ibn Muhammad was an Umayyad emir of Córdoba who ruled al-Andalus in the late 9th and early 10th centuries during a period of internal strife and weakening central authority.
• C. Abu al-ʿAbbās ʿAbd Allāh ibn Muḥammad
  Abu al-ʿAbbās ʿAbd Allāh ibn Muḥammad, known by his regnal title As-Saffah, was the founder and first caliph of the Abbasid Caliphate who overthrew the Umayyad dynasty in the mid-8th century.
• D. Abdullah ibn Muhammad
  Abdullah ibn Muhammad was one of the sons of the Islamic prophet Muhammad who died in early childhood.
• E. Qutaybah ibn Saʿid
  Qutaybah ibn Saʿid was a prominent early Islamic hadith scholar and transmitter whose narrations are found in the major Sunni hadith collections.
• F. None of above. chosen