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: Fort Royal prison | Statement: [Île Sainte-Marguerite, hasPrison, Fort Royal prison]

Target entity: Fort Royal prison
Context triple: [Île Sainte-Marguerite, hasPrison, Fort Royal prison]

• A. Vincennes Prison
  Vincennes Prison was a notorious French state prison and fortress near Paris, historically used to detain political prisoners and notable figures such as Honoré Gabriel Riqueti, comte de Mirabeau.
• B. Lincoln Prison
  Lincoln Prison is a correctional facility located in the city of Lincoln in Lincolnshire, England.
• C. Washington Arsenal Penitentiary
  Washington Arsenal Penitentiary was a Civil War–era military prison in Washington, D.C., best known as the site where several Lincoln assassination conspirators were held and executed.
• D. Acre Prison
  Acre Prison is a historic fortress-turned-penal facility in the city of Acre (Akko), Israel, known for its use by British authorities to incarcerate and execute Jewish underground fighters during the Mandate period.
• E. Mount Pleasant State Prison
  Mount Pleasant State Prison was the original name of the New York maximum-security prison now known as Sing Sing Correctional Facility, one of the most historically notorious prisons in the United States.
• 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: Fort Royal prison
Triple: [Île Sainte-Marguerite, hasPrison, Fort Royal prison]

Fort Royal prison is a historic fortress-turned-detention facility on Île Sainte-Marguerite off the French Riviera, best known for holding the mysterious "Man in the Iron Mask."

Target entity: Fort Royal prison
Target entity description: Fort Royal prison is a historic fortress-turned-detention facility on Île Sainte-Marguerite off the French Riviera, best known for holding the mysterious "Man in the Iron Mask."

• A. Vincennes Prison
  Vincennes Prison was a notorious French state prison and fortress near Paris, historically used to detain political prisoners and notable figures such as Honoré Gabriel Riqueti, comte de Mirabeau.
• B. Lincoln Prison
  Lincoln Prison is a correctional facility located in the city of Lincoln in Lincolnshire, England.
• C. Washington Arsenal Penitentiary
  Washington Arsenal Penitentiary was a Civil War–era military prison in Washington, D.C., best known as the site where several Lincoln assassination conspirators were held and executed.
• D. Acre Prison
  Acre Prison is a historic fortress-turned-penal facility in the city of Acre (Akko), Israel, known for its use by British authorities to incarcerate and execute Jewish underground fighters during the Mandate period.
• E. Mount Pleasant State Prison
  Mount Pleasant State Prison was the original name of the New York maximum-security prison now known as Sing Sing Correctional Facility, one of the most historically notorious prisons in the United States.
• F. None of above. chosen