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: William fitzOsbern | Statement: [Chepstow Castle, builder, William fitzOsbern]

Target entity: William fitzOsbern
Context triple: [Chepstow Castle, builder, William fitzOsbern]

• A. Henry I of England
  Henry I of England was a 12th-century Norman king known for consolidating royal authority, reforming administration and justice, and strengthening the English monarchy after the Norman Conquest.
• B. Henry Beauclerc
  Henry Beauclerc was Henry I of England, a 12th-century king noted for his administrative reforms, consolidation of royal authority, and efforts to strengthen the English legal system.
• C. Geoffrey V Plantagenet
  Geoffrey V Plantagenet was a 12th-century French nobleman, husband of Empress Matilda and father of King Henry II of England, whose marriage helped lay the foundations of the Angevin Empire.
• D. William fitz Duncan
  William fitz Duncan was a 12th-century Scottish prince and military leader, notable as a powerful claimant to the Scottish throne and a key figure in the politics of the Kingdom of Alba.
• E. Henry II of England
  Henry II of England was a 12th-century Angevin king who restored royal authority after civil war, expanded his realms across much of France, and laid foundations for the English common law system.
• 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: William fitzOsbern
Triple: [Chepstow Castle, builder, William fitzOsbern]

William fitzOsbern was an 11th-century Norman nobleman and close companion of William the Conqueror who became a powerful lord in England and Wales after the Norman Conquest.

Target entity: William fitzOsbern
Target entity description: William fitzOsbern was an 11th-century Norman nobleman and close companion of William the Conqueror who became a powerful lord in England and Wales after the Norman Conquest.

• A. Henry I of England
  Henry I of England was a 12th-century Norman king known for consolidating royal authority, reforming administration and justice, and strengthening the English monarchy after the Norman Conquest.
• B. Henry Beauclerc
  Henry Beauclerc was Henry I of England, a 12th-century king noted for his administrative reforms, consolidation of royal authority, and efforts to strengthen the English legal system.
• C. Geoffrey V Plantagenet
  Geoffrey V Plantagenet was a 12th-century French nobleman, husband of Empress Matilda and father of King Henry II of England, whose marriage helped lay the foundations of the Angevin Empire.
• D. William fitz Duncan
  William fitz Duncan was a 12th-century Scottish prince and military leader, notable as a powerful claimant to the Scottish throne and a key figure in the politics of the Kingdom of Alba.
• E. Henry II of England
  Henry II of England was a 12th-century Angevin king who restored royal authority after civil war, expanded his realms across much of France, and laid foundations for the English common law system.
• F. None of above. chosen