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: Casimir II, Duke of Pomerania | Statement: [Pomeranian Piasts, notableMember, Casimir II, Duke of Pomerania]

Target entity: Casimir II, Duke of Pomerania
Context triple: [Pomeranian Piasts, notableMember, Casimir II, Duke of Pomerania]

• A. Casimir IV, Duke of Pomerania
  Casimir IV, Duke of Pomerania was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
• B. Swantibor III, Duke of Pomerania
  Swantibor III, Duke of Pomerania, was a late 14th- to early 15th-century member of the House of Griffins who ruled parts of the Duchy of Pomerania during a period of regional fragmentation and dynastic division in the southern Baltic.
• C. Wartislaw IV, Duke of Pomerania
  Wartislaw IV, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled parts of the Duchy of Pomerania during the fragmentation of the region within the Holy Roman Empire.
• D. Wartislaw I, Duke of Pomerania
  Wartislaw I, Duke of Pomerania, was a 12th-century Slavic ruler credited with founding the Griffin dynasty’s power in Pomerania and promoting its Christianization and political consolidation.
• E. Wartislaw VII, Duke of Pomerania
  Wartislaw VII, Duke of Pomerania, was a late 14th-century Pomeranian nobleman of the House of Griffins and a regional ruler whose lineage produced Eric of Pomerania, king of the Kalmar Union.
• 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: Casimir II, Duke of Pomerania
Triple: [Pomeranian Piasts, notableMember, Casimir II, Duke of Pomerania]

Casimir II, Duke of Pomerania was a medieval Polish-Pomeranian prince of the Pomeranian Piast dynasty who ruled parts of Pomerania during the 13th century.

Target entity: Casimir II, Duke of Pomerania
Target entity description: Casimir II, Duke of Pomerania was a medieval Polish-Pomeranian prince of the Pomeranian Piast dynasty who ruled parts of Pomerania during the 13th century.

• A. Casimir IV, Duke of Pomerania
  Casimir IV, Duke of Pomerania was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
• B. Swantibor III, Duke of Pomerania
  Swantibor III, Duke of Pomerania, was a late 14th- to early 15th-century member of the House of Griffins who ruled parts of the Duchy of Pomerania during a period of regional fragmentation and dynastic division in the southern Baltic.
• C. Wartislaw IV, Duke of Pomerania
  Wartislaw IV, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled parts of the Duchy of Pomerania during the fragmentation of the region within the Holy Roman Empire.
• D. Wartislaw I, Duke of Pomerania
  Wartislaw I, Duke of Pomerania, was a 12th-century Slavic ruler credited with founding the Griffin dynasty’s power in Pomerania and promoting its Christianization and political consolidation.
• E. Wartislaw VII, Duke of Pomerania
  Wartislaw VII, Duke of Pomerania, was a late 14th-century Pomeranian nobleman of the House of Griffins and a regional ruler whose lineage produced Eric of Pomerania, king of the Kalmar Union.
• F. None of above. chosen