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: Rosamund Mortimer | Statement: [Emily Mortimer, hasSibling, Rosamund Mortimer]

Target entity: Rosamund Mortimer
Context triple: [Emily Mortimer, hasSibling, Rosamund Mortimer]

• A. Katherine Mortimer
  Katherine Mortimer was a 14th-century English noblewoman, daughter of the powerful Marcher lord Roger Mortimer, 1st Earl of March, and a member of the influential Mortimer family during the reign of Edward III.
• B. Beatrice Mortimer
  Beatrice Mortimer was a 14th-century English noblewoman, daughter of the powerful Roger Mortimer, 1st Earl of March, and a member of the influential Mortimer family during the reign of Edward II and Edward III.
• C. Mary de Bohun
  Mary de Bohun was an English noblewoman and first wife of King Henry IV of England, and the mother of King Henry V.
• D. Elizabeth d’Amory
  Elizabeth d’Amory was a medieval English noblewoman, known primarily as the daughter of the wealthy heiress Elizabeth de Clare and a member of the prominent de Clare family.
• E. Elizabeth de Clare
  Elizabeth de Clare was a 14th-century English noblewoman and wealthy heiress whose endowment helped found and shape Clare College at the University of Cambridge.
• 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: Rosamund Mortimer
Triple: [Emily Mortimer, hasSibling, Rosamund Mortimer]

Rosamund Mortimer is a member of the Mortimer family and the sister of British actress and screenwriter Emily Mortimer.

Target entity: Rosamund Mortimer
Target entity description: Rosamund Mortimer is a member of the Mortimer family and the sister of British actress and screenwriter Emily Mortimer.

• A. Katherine Mortimer
  Katherine Mortimer was a 14th-century English noblewoman, daughter of the powerful Marcher lord Roger Mortimer, 1st Earl of March, and a member of the influential Mortimer family during the reign of Edward III.
• B. Beatrice Mortimer
  Beatrice Mortimer was a 14th-century English noblewoman, daughter of the powerful Roger Mortimer, 1st Earl of March, and a member of the influential Mortimer family during the reign of Edward II and Edward III.
• C. Mary de Bohun
  Mary de Bohun was an English noblewoman and first wife of King Henry IV of England, and the mother of King Henry V.
• D. Elizabeth d’Amory
  Elizabeth d’Amory was a medieval English noblewoman, known primarily as the daughter of the wealthy heiress Elizabeth de Clare and a member of the prominent de Clare family.
• E. Elizabeth de Clare
  Elizabeth de Clare was a 14th-century English noblewoman and wealthy heiress whose endowment helped found and shape Clare College at the University of Cambridge.
• F. None of above. chosen