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: [Monmouth Castle, builtFor, William FitzOsbern]

Target entity: William FitzOsbern
Context triple: [Monmouth Castle, builtFor, William FitzOsbern]

• A. Hugh d'Avranches
  Hugh d'Avranches was an 11th-century Norman nobleman and close ally of William the Conqueror who became the powerful Earl of Chester in post-Conquest England.
• B. 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.
• C. Gyrth Godwinson
  Gyrth Godwinson was an 11th-century English nobleman and earl, best known as the younger brother and close supporter of King Harold Godwinson who died alongside him resisting the Norman Conquest.
• D. Robert of Bellême
  Robert of Bellême was a powerful and notoriously ruthless Anglo-Norman nobleman and military leader who held extensive lands in England and Normandy during the late 11th and early 12th centuries.
• E. Robert Fitzharding
  Robert Fitzharding was a 12th-century Anglo-Norman nobleman and wealthy Bristol merchant who became the first Lord of Berkeley and is best known for establishing the religious house that evolved into Bristol Cathedral.
• 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: [Monmouth Castle, builtFor, William FitzOsbern]

William FitzOsbern was an 11th-century Norman nobleman, close companion of William the Conqueror, and a key military leader in the Norman Conquest of England.

Target entity: William FitzOsbern
Target entity description: William FitzOsbern was an 11th-century Norman nobleman, close companion of William the Conqueror, and a key military leader in the Norman Conquest of England.

• A. Hugh d'Avranches
  Hugh d'Avranches was an 11th-century Norman nobleman and close ally of William the Conqueror who became the powerful Earl of Chester in post-Conquest England.
• B. 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.
• C. Gyrth Godwinson
  Gyrth Godwinson was an 11th-century English nobleman and earl, best known as the younger brother and close supporter of King Harold Godwinson who died alongside him resisting the Norman Conquest.
• D. Robert of Bellême
  Robert of Bellême was a powerful and notoriously ruthless Anglo-Norman nobleman and military leader who held extensive lands in England and Normandy during the late 11th and early 12th centuries.
• E. Robert Fitzharding
  Robert Fitzharding was a 12th-century Anglo-Norman nobleman and wealthy Bristol merchant who became the first Lord of Berkeley and is best known for establishing the religious house that evolved into Bristol Cathedral.
• F. None of above. chosen