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: Bolesław V the Chaste | Statement: [Grzymisława of Łuck, child, Bolesław V the Chaste]

Target entity: Bolesław V the Chaste
Context triple: [Grzymisława of Łuck, child, Bolesław V the Chaste]

• A. Duke Bolesław V the Chaste
  Duke Bolesław V the Chaste was a 13th-century Polish Piast ruler of Kraków and Sandomierz, noted for his childless marriage, political struggles with neighboring dukes, and efforts to strengthen and develop his domains.
• B. Bolesław V Wstydliwy chosen
  Bolesław V Wstydliwy was a 13th-century Duke of Sandomierz and High Duke of Poland from the Piast dynasty, known for his childless marriage, piety, and efforts to stabilize the fragmented Polish realm.
• C. Bolesław II of Masovia
  Bolesław II of Masovia was a 13th-century Polish Piast duke who ruled parts of the Masovian region and played a significant role in the fragmented politics of medieval Poland.
• D. Bolesław III Wrymouth
  Bolesław III Wrymouth was a medieval Polish duke who significantly expanded and consolidated the Polish state but also initiated its later fragmentation through his testament dividing the realm among his sons.
• E. Bolesław II the Generous
  Bolesław II the Generous was an 11th-century Piast dynasty ruler known for his ambitious foreign policy, support of church reform, and eventual deposition following his conflict with Bishop Stanislaus of Szczepanów.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.