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: R v Knowles, ex parte Somersett (alternative citation form) | Statement: [Somerset v Stewart, hasRelatedCase, R v Knowles, ex parte Somersett (alternative citation form)]

Target entity: R v Knowles, ex parte Somersett (alternative citation form)
Context triple: [Somerset v Stewart, hasRelatedCase, R v Knowles, ex parte Somersett (alternative citation form)]

• A. Somerset v Stewart
  Somerset v Stewart was a landmark 1772 English court case that effectively declared slavery unsupported by English common law, becoming a pivotal moment in the British abolitionist movement.
• B. Letters to Lord Mansfield
  Letters to Lord Mansfield is a series of polemical writings by Scottish lawyer Andrew Stuart, in which he sharply criticized Lord Mansfield’s conduct in the Douglas Cause, a famous 18th-century legal dispute.
• C. R (Jackson) v Attorney General
  R (Jackson) v Attorney General is a landmark 2005 House of Lords case that examined the constitutional validity of legislation enacted under the Parliament Acts and explored fundamental principles about the limits of parliamentary sovereignty and the rule of law in the UK.
• D. Johnson and Graham’s Lessee
  Johnson and Graham’s Lessee is the named party representing private land claimants in the landmark 1823 U.S. Supreme Court case Johnson v. M’Intosh, which established key principles of American property and Native land rights law.
• E. R v McIlkenny and others
  R v McIlkenny and others is the criminal case in which the men later known as the Birmingham Six were controversially convicted in 1975 for the Birmingham pub bombings, convictions that were ultimately quashed in 1991.
• 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: R v Knowles, ex parte Somersett (alternative citation form)
Triple: [Somerset v Stewart, hasRelatedCase, R v Knowles, ex parte Somersett (alternative citation form)]

R v Knowles, ex parte Somersett is an alternative citation for the landmark 1772 English court case that effectively declared slavery unsupported by English common law and led to the freeing of James Somerset.

Target entity: R v Knowles, ex parte Somersett (alternative citation form)
Target entity description: R v Knowles, ex parte Somersett is an alternative citation for the landmark 1772 English court case that effectively declared slavery unsupported by English common law and led to the freeing of James Somerset.

• A. Somerset v Stewart chosen
  Somerset v Stewart was a landmark 1772 English court case that effectively declared slavery unsupported by English common law, becoming a pivotal moment in the British abolitionist movement.
• B. Letters to Lord Mansfield
  Letters to Lord Mansfield is a series of polemical writings by Scottish lawyer Andrew Stuart, in which he sharply criticized Lord Mansfield’s conduct in the Douglas Cause, a famous 18th-century legal dispute.
• C. R (Jackson) v Attorney General
  R (Jackson) v Attorney General is a landmark 2005 House of Lords case that examined the constitutional validity of legislation enacted under the Parliament Acts and explored fundamental principles about the limits of parliamentary sovereignty and the rule of law in the UK.
• D. Johnson and Graham’s Lessee
  Johnson and Graham’s Lessee is the named party representing private land claimants in the landmark 1823 U.S. Supreme Court case Johnson v. M’Intosh, which established key principles of American property and Native land rights law.
• E. R v McIlkenny and others
  R v McIlkenny and others is the criminal case in which the men later known as the Birmingham Six were controversially convicted in 1975 for the Birmingham pub bombings, convictions that were ultimately quashed in 1991.
• F. None of above.