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: Allegra Mostyn-Owen | Statement: [Boris Johnson, spouse, Allegra Mostyn-Owen]

Target entity: Allegra Mostyn-Owen
Context triple: [Boris Johnson, spouse, Allegra Mostyn-Owen]

• A. Clarissa Luard
  Clarissa Luard was a British literary editor and arts administrator known for her work supporting contemporary writers and for her marriage to novelist Salman Rushdie.
• B. Anne Hill-Trevor
  Anne Hill-Trevor was an Anglo-Irish aristocrat best known as the mother of Arthur Wellesley, 1st Duke of Wellington, one of Britain’s most celebrated military and political leaders.
• C. Catherine Macmillan
  Catherine Macmillan was the daughter of former British Prime Minister Harold Macmillan and the wife of Conservative politician Julian Amery, placing her at the center of mid-20th-century British political life.
• D. Edwina Booth
  Edwina Booth was the daughter of famed 19th-century American actor Edwin Booth and later became known for preserving and promoting her father's theatrical legacy.
• E. Katherine Mary Dewar
  Katherine Mary Dewar was the wife of pioneering Scottish physicist James Clerk Maxwell and a supportive partner in his personal and scientific life.
• 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: Allegra Mostyn-Owen
Triple: [Boris Johnson, spouse, Allegra Mostyn-Owen]

Allegra Mostyn-Owen is a British socialite and former wife of Boris Johnson, known for her aristocratic background and involvement in the London art and social scene.

Target entity: Allegra Mostyn-Owen
Target entity description: Allegra Mostyn-Owen is a British socialite and former wife of Boris Johnson, known for her aristocratic background and involvement in the London art and social scene.

• A. Clarissa Luard
  Clarissa Luard was a British literary editor and arts administrator known for her work supporting contemporary writers and for her marriage to novelist Salman Rushdie.
• B. Anne Hill-Trevor
  Anne Hill-Trevor was an Anglo-Irish aristocrat best known as the mother of Arthur Wellesley, 1st Duke of Wellington, one of Britain’s most celebrated military and political leaders.
• C. Catherine Macmillan
  Catherine Macmillan was the daughter of former British Prime Minister Harold Macmillan and the wife of Conservative politician Julian Amery, placing her at the center of mid-20th-century British political life.
• D. Edwina Booth
  Edwina Booth was the daughter of famed 19th-century American actor Edwin Booth and later became known for preserving and promoting her father's theatrical legacy.
• E. Katherine Mary Dewar
  Katherine Mary Dewar was the wife of pioneering Scottish physicist James Clerk Maxwell and a supportive partner in his personal and scientific life.
• F. None of above. chosen