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: Ahmad ibn Tulun | Statement: [Ibn Tulun Mosque, founder, Ahmad ibn Tulun]

Target entity: Ahmad ibn Tulun
Context triple: [Ibn Tulun Mosque, founder, Ahmad ibn Tulun]

• A. Ahmad ibn Tulun chosen
  Ahmad ibn Tulun was a 9th-century Turkic military commander who became the semi-independent ruler of Egypt and founder of the Tulunid dynasty under the nominal authority of the Abbasid Caliphate.
• B. Khumarawayh ibn Ahmad ibn Tulun
  Khumarawayh ibn Ahmad ibn Tulun was a 9th-century ruler of Egypt and Syria whose extravagant court and political maneuvering marked the height and subsequent decline of the semi-autonomous Tulunid state under Abbasid suzerainty.
• C. Muizz al-Dawla
  Muizz al-Dawla was a 10th-century Buyid ruler who established Buyid control over Baghdad and became the de facto power behind the Abbasid caliphate in Iraq.
• D. Ya'qub ibn al-Layth al-Saffar
  Ya'qub ibn al-Layth al-Saffar was the 9th-century founder of the Saffarid dynasty in Sistan, a former coppersmith who rose to power as a military leader and challenged Abbasid authority in eastern Iran and beyond.
• E. Amin al-Dawla
  Amin al-Dawla is the honorific title of Ibn al-Quff, a 13th-century Arab Christian physician and surgeon renowned for his influential medical writings in the Islamic world.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.