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: Spytihněv I, Duke of Bohemia | Statement: [Bořivoj I, Duke of Bohemia, child, Spytihněv I, Duke of Bohemia]

Target entity: Spytihněv I, Duke of Bohemia
Context triple: [Bořivoj I, Duke of Bohemia, child, Spytihněv I, Duke of Bohemia]

• A. Vojtěch of Prague
  Vojtěch of Prague, better known as Saint Adalbert of Prague, was a 10th-century Bohemian bishop and Christian missionary whose martyrdom made him one of the most venerated saints in Central Europe.
• B. Oldřich of Bohemia
  Oldřich of Bohemia was an early 11th-century Duke of Bohemia from the Přemyslid dynasty, known for restoring Přemyslid rule and strengthening the duchy after a period of instability.
• C. George of Poděbrady
  George of Poděbrady was a 15th-century Hussite ruler who became King of Bohemia and is noted for his early proposals for a pan-European peace alliance.
• D. Wenceslaus I of Bohemia
  Wenceslaus I of Bohemia was a 13th-century Přemyslid king known for consolidating royal power in Bohemia and resisting the Mongol incursions into Central Europe.
• E. Vladislaus II, King of Bohemia
  Vladislaus II, King of Bohemia, was a 12th-century Přemyslid monarch known for consolidating royal power and participating in the Second Crusade.
• 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: Spytihněv I, Duke of Bohemia
Triple: [Bořivoj I, Duke of Bohemia, child, Spytihněv I, Duke of Bohemia]

Spytihněv I, Duke of Bohemia was a 9th–10th century Přemyslid ruler known for consolidating Bohemian power and strengthening ties with the East Frankish (later German) realm.

Target entity: Spytihněv I, Duke of Bohemia
Target entity description: Spytihněv I, Duke of Bohemia was a 9th–10th century Přemyslid ruler known for consolidating Bohemian power and strengthening ties with the East Frankish (later German) realm.

• A. Vojtěch of Prague
  Vojtěch of Prague, better known as Saint Adalbert of Prague, was a 10th-century Bohemian bishop and Christian missionary whose martyrdom made him one of the most venerated saints in Central Europe.
• B. Oldřich of Bohemia
  Oldřich of Bohemia was an early 11th-century Duke of Bohemia from the Přemyslid dynasty, known for restoring Přemyslid rule and strengthening the duchy after a period of instability.
• C. George of Poděbrady
  George of Poděbrady was a 15th-century Hussite ruler who became King of Bohemia and is noted for his early proposals for a pan-European peace alliance.
• D. Wenceslaus I of Bohemia
  Wenceslaus I of Bohemia was a 13th-century Přemyslid king known for consolidating royal power in Bohemia and resisting the Mongol incursions into Central Europe.
• E. Vladislaus II, King of Bohemia
  Vladislaus II, King of Bohemia, was a 12th-century Přemyslid monarch known for consolidating royal power and participating in the Second Crusade.
• F. None of above. chosen