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: İstemi Yabghu | Statement: [Göktürk Khaganate, notableLeader, İstemi Yabghu]

Target entity: İstemi Yabghu
Context triple: [Göktürk Khaganate, notableLeader, İstemi Yabghu]

• A. Khagan Bayan II
  Khagan Bayan II was a ruler of the Avar Khaganate in the early 7th century, known for leading the Avars during their conflicts with the Byzantine Empire and their involvement in the siege of Constantinople in 626.
• B. Bumin Qaghan
  Bumin Qaghan was a 6th-century Turkic ruler who established the Göktürk Khaganate, marking the rise of the first major Turkic empire in Central Asia.
• C. Khshayarsha
  Khshayarsha is the Old Persian name for Xerxes I, the powerful Achaemenid king who ruled the Persian Empire in the early 5th century BCE and led the invasion of Greece.
• D. Bögü Qaghan
  Bögü Qaghan was an 8th-century ruler of the Uyghur Khaganate known for his conversion to Manichaeism and for making it the state religion of his empire.
• E. Kujula Kadphises
  Kujula Kadphises was the founding ruler of the Kushan Empire, known for unifying various Yuezhi tribes and establishing a powerful kingdom in Bactria and northwestern India in the 1st century CE.
• 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: İstemi Yabghu
Triple: [Göktürk Khaganate, notableLeader, İstemi Yabghu]

İstemi Yabghu was a prominent 6th-century Turkic ruler and military leader who played a key role in expanding and consolidating the early Göktürk Empire across Central Asia.

Target entity: İstemi Yabghu
Target entity description: İstemi Yabghu was a prominent 6th-century Turkic ruler and military leader who played a key role in expanding and consolidating the early Göktürk Empire across Central Asia.

• A. Khagan Bayan II
  Khagan Bayan II was a ruler of the Avar Khaganate in the early 7th century, known for leading the Avars during their conflicts with the Byzantine Empire and their involvement in the siege of Constantinople in 626.
• B. Bumin Qaghan
  Bumin Qaghan was a 6th-century Turkic ruler who established the Göktürk Khaganate, marking the rise of the first major Turkic empire in Central Asia.
• C. Khshayarsha
  Khshayarsha is the Old Persian name for Xerxes I, the powerful Achaemenid king who ruled the Persian Empire in the early 5th century BCE and led the invasion of Greece.
• D. Bögü Qaghan
  Bögü Qaghan was an 8th-century ruler of the Uyghur Khaganate known for his conversion to Manichaeism and for making it the state religion of his empire.
• E. Kujula Kadphises
  Kujula Kadphises was the founding ruler of the Kushan Empire, known for unifying various Yuezhi tribes and establishing a powerful kingdom in Bactria and northwestern India in the 1st century CE.
• F. None of above. chosen