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: Arthur Horner | Statement: [South Wales Miners' Federation, notableLeader, Arthur Horner]

Target entity: Arthur Horner
Context triple: [South Wales Miners' Federation, notableLeader, Arthur Horner]

• A. Philip Herriton
  Philip Herriton is a central character in E.M. Forster's novel "Where Angels Fear to Tread," depicted as a conventional, somewhat repressed Englishman whose experiences in Italy challenge his assumptions and emotional reserve.
• B. Charles Dobell
  Charles Dobell was a Canadian-born British Army general noted for his service in colonial campaigns and the First World War, particularly in the Middle Eastern theatre.
• C. Horace Lloyd
  Horace Lloyd was a 19th-century English barrister best known as the father of Constance Lloyd, the wife of writer Oscar Wilde.
• D. Edward Talbot
  Edward Talbot was an Anglican clergyman who became the inaugural Bishop of Southwark in the Church of England.
• E. Richard Mawhinney
  Richard Mawhinney is the husband of Patricia Scotland, Baroness Scotland of Asthal, a prominent British lawyer and politician who has served as Secretary-General of the Commonwealth of Nations.
• 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: Arthur Horner
Triple: [South Wales Miners' Federation, notableLeader, Arthur Horner]

Arthur Horner was a prominent British trade union leader and communist activist who played a key role in representing and organizing coal miners in Wales and across the UK in the mid-20th century.

Target entity: Arthur Horner
Target entity description: Arthur Horner was a prominent British trade union leader and communist activist who played a key role in representing and organizing coal miners in Wales and across the UK in the mid-20th century.

• A. Philip Herriton
  Philip Herriton is a central character in E.M. Forster's novel "Where Angels Fear to Tread," depicted as a conventional, somewhat repressed Englishman whose experiences in Italy challenge his assumptions and emotional reserve.
• B. Charles Dobell
  Charles Dobell was a Canadian-born British Army general noted for his service in colonial campaigns and the First World War, particularly in the Middle Eastern theatre.
• C. Horace Lloyd
  Horace Lloyd was a 19th-century English barrister best known as the father of Constance Lloyd, the wife of writer Oscar Wilde.
• D. Edward Talbot
  Edward Talbot was an Anglican clergyman who became the inaugural Bishop of Southwark in the Church of England.
• E. Richard Mawhinney
  Richard Mawhinney is the husband of Patricia Scotland, Baroness Scotland of Asthal, a prominent British lawyer and politician who has served as Secretary-General of the Commonwealth of Nations.
• F. None of above. chosen