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: Ferdinand von Richthofen | Statement: [China: Ergebnisse eigener Reisen und darauf gegründeter Studien, author, Ferdinand von Richthofen]

Target entity: Ferdinand von Richthofen
Context triple: [China: Ergebnisse eigener Reisen und darauf gegründeter Studien, author, Ferdinand von Richthofen]

• A. Ferdinand von Richthofen chosen
  Ferdinand von Richthofen was a 19th-century German geographer and explorer best known for his influential studies of East Asia and for introducing the term "Silk Road" into modern scholarship.
• B. Kurt von Richthofen
  Kurt von Richthofen was a German nobleman and military officer, best known as a younger brother of the famed World War I flying ace Manfred von Richthofen, the "Red Baron."
• C. Wolfram Freiherr von Richthofen
  Wolfram Freiherr von Richthofen was a prominent German Luftwaffe field marshal and air commander in World War II, noted for his leadership in major campaigns on the Eastern Front.
• D. Albrecht von Richthofen
  Albrecht von Richthofen was a German aristocrat and military officer best known as the father of World War I flying ace Manfred von Richthofen, the "Red Baron."
• E. Manfred von Richthofen
  Manfred von Richthofen, widely known as the "Red Baron," was a famed German World War I fighter ace credited with 80 aerial victories and celebrated as one of history’s most legendary combat pilots.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.