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: Joan Martin | Statement: [William O. Douglas, spouse, Joan Martin]

Target entity: Joan Martin
Context triple: [William O. Douglas, spouse, Joan Martin]

• A. Joanne Rogers
  Joanne Rogers was an American concert pianist and television personality best known as the longtime wife and collaborator of children's television icon Fred Rogers and as a prominent advocate for his legacy.
• B. Margo Anderson
  Margo Anderson is best known as a former wife of American country music star Kenny Rogers.
• C. Rachel Marron
  Rachel Marron is a famous pop singer and actress who becomes the client and love interest of a former Secret Service agent in the romantic thriller film "The Bodyguard."
• D. Gloria Matthews
  Gloria Matthews is a central character in Terry McMillan’s novel and its film adaptation "Waiting to Exhale," portrayed as a single mother navigating love, self-worth, and friendship.
• E. Joan Armstrong
  Joan Armstrong is a notable individual distinguished enough to be specifically recognized among people sharing the Armstrong surname.
• 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: Joan Martin
Triple: [William O. Douglas, spouse, Joan Martin]

Joan Martin was the third wife of U.S. Supreme Court Justice William O. Douglas, known primarily for her marriage to the long-serving and controversial jurist.

Target entity: Joan Martin
Target entity description: Joan Martin was the third wife of U.S. Supreme Court Justice William O. Douglas, known primarily for her marriage to the long-serving and controversial jurist.

• A. Joanne Rogers
  Joanne Rogers was an American concert pianist and television personality best known as the longtime wife and collaborator of children's television icon Fred Rogers and as a prominent advocate for his legacy.
• B. Margo Anderson
  Margo Anderson is best known as a former wife of American country music star Kenny Rogers.
• C. Rachel Marron
  Rachel Marron is a famous pop singer and actress who becomes the client and love interest of a former Secret Service agent in the romantic thriller film "The Bodyguard."
• D. Gloria Matthews
  Gloria Matthews is a central character in Terry McMillan’s novel and its film adaptation "Waiting to Exhale," portrayed as a single mother navigating love, self-worth, and friendship.
• E. Joan Armstrong
  Joan Armstrong is a notable individual distinguished enough to be specifically recognized among people sharing the Armstrong surname.
• F. None of above. chosen