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: Mary Gladstone | Statement: [Herbert Gladstone, sibling, Mary Gladstone]

Target entity: Mary Gladstone
Context triple: [Herbert Gladstone, sibling, Mary Gladstone]

• A. Catherine Gladstone
  Catherine Gladstone was a 19th-century British philanthropist and social reformer best known as the wife and close political confidante of four-time Prime Minister William Ewart Gladstone.
• B. Anne Gladstone
  Anne Gladstone is known primarily as the wife of John Gladstone, a prominent British merchant and politician of the late 18th and early 19th centuries.
• C. Mary Anne Disraeli
  Mary Anne Disraeli was a 19th-century British socialite and philanthropist best known as the devoted and influential wife of Prime Minister Benjamin Disraeli, whom Queen Victoria later ennobled in her own right as Viscountess Beaconsfield.
• D. Violet Attlee
  Violet Attlee was a British social worker and public figure best known as the wife of Prime Minister Clement Attlee and for her quiet but influential support of his political career and social reform agenda.
• E. Josephine Crowe
  Josephine Crowe is a notable individual associated with the Crowe surname, recognized as a distinguished bearer of that family name.
• 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: Mary Gladstone
Triple: [Herbert Gladstone, sibling, Mary Gladstone]

Mary Gladstone was a British political hostess and diarist, best known as the influential daughter and private secretary of Prime Minister William Ewart Gladstone.

Target entity: Mary Gladstone
Target entity description: Mary Gladstone was a British political hostess and diarist, best known as the influential daughter and private secretary of Prime Minister William Ewart Gladstone.

• A. Catherine Gladstone
  Catherine Gladstone was a 19th-century British philanthropist and social reformer best known as the wife and close political confidante of four-time Prime Minister William Ewart Gladstone.
• B. Anne Gladstone
  Anne Gladstone is known primarily as the wife of John Gladstone, a prominent British merchant and politician of the late 18th and early 19th centuries.
• C. Mary Anne Disraeli
  Mary Anne Disraeli was a 19th-century British socialite and philanthropist best known as the devoted and influential wife of Prime Minister Benjamin Disraeli, whom Queen Victoria later ennobled in her own right as Viscountess Beaconsfield.
• D. Violet Attlee
  Violet Attlee was a British social worker and public figure best known as the wife of Prime Minister Clement Attlee and for her quiet but influential support of his political career and social reform agenda.
• E. Josephine Crowe
  Josephine Crowe is a notable individual associated with the Crowe surname, recognized as a distinguished bearer of that family name.
• F. None of above. chosen