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: Imperial Russian Ballet tradition | Statement: [Lev Ivanov, partOf, Imperial Russian Ballet tradition]

Target entity: Imperial Russian Ballet tradition
Context triple: [Lev Ivanov, partOf, Imperial Russian Ballet tradition]

• A. Imperial Russian Ballet chosen
  The Imperial Russian Ballet was the prestigious state-sponsored ballet company of the Russian Empire, renowned for its classical repertoire, technical excellence, and role in shaping the foundations of modern ballet.
• B. Soviet ballet
  Soviet ballet was a distinctive 20th-century ballet tradition that combined classical Russian technique with socialist realist themes, state patronage, and a focus on dramatic, emotionally expressive storytelling.
• C. Original Ballet Russe
  Original Ballet Russe was a prominent touring ballet company of the mid-20th century, known for continuing the legacy of Diaghilev’s Ballets Russes with innovative productions and international stars.
• D. Vaganova method
  The Vaganova method is a classical Russian ballet training system that emphasizes precise, harmonious technique, expressive port de bras, and a carefully structured progression of exercises.
• E. Bournonville method
  The Bournonville method is a classical ballet training system originating from Danish choreographer August Bournonville, known for its quick, intricate footwork, understated upper body, and emphasis on musicality and buoyancy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.