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 Grace Slattery | Statement: [Arthur Miller, spouse, Mary Grace Slattery]

Target entity: Mary Grace Slattery
Context triple: [Arthur Miller, spouse, Mary Grace Slattery]

• A. Mary Easty
  Mary Easty was a respected Salem, Massachusetts woman who was falsely accused of witchcraft and executed during the 1692 Salem witch trials, later remembered for her dignified plea for justice.
• B. Elizabeth Flanagan
  Elizabeth Flanagan was the wife of C. Everett Koop, the prominent U.S. Surgeon General known for his influential public health advocacy.
• C. Ann Fleming
  Ann Fleming was a British socialite and literary hostess best known as the wife of James Bond creator Ian Fleming and for her influential role in mid-20th-century London cultural circles.
• D. Dolores H. Russ
  Dolores H. Russ was an American philanthropist and co-namesake of the prestigious Fritz J. and Dolores H. Russ Prize in engineering.
• E. Ann Schmeltz Bowers
  Ann Schmeltz Bowers is an American technology executive and philanthropist known for her early leadership roles at Intel and Apple and for her significant charitable contributions, particularly in education and technology.
• 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 Grace Slattery
Triple: [Arthur Miller, spouse, Mary Grace Slattery]

Mary Grace Slattery was the first wife of American playwright Arthur Miller, whom he married before achieving his major theatrical success.

Target entity: Mary Grace Slattery
Target entity description: Mary Grace Slattery was the first wife of American playwright Arthur Miller, whom he married before achieving his major theatrical success.

• A. Mary Easty
  Mary Easty was a respected Salem, Massachusetts woman who was falsely accused of witchcraft and executed during the 1692 Salem witch trials, later remembered for her dignified plea for justice.
• B. Elizabeth Flanagan
  Elizabeth Flanagan was the wife of C. Everett Koop, the prominent U.S. Surgeon General known for his influential public health advocacy.
• C. Ann Fleming
  Ann Fleming was a British socialite and literary hostess best known as the wife of James Bond creator Ian Fleming and for her influential role in mid-20th-century London cultural circles.
• D. Dolores H. Russ
  Dolores H. Russ was an American philanthropist and co-namesake of the prestigious Fritz J. and Dolores H. Russ Prize in engineering.
• E. Ann Schmeltz Bowers
  Ann Schmeltz Bowers is an American technology executive and philanthropist known for her early leadership roles at Intel and Apple and for her significant charitable contributions, particularly in education and technology.
• F. None of above. chosen