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: Henry IV, Duke of Mecklenburg | Statement: [Duke of Mecklenburg, hasTitleHolder, Henry IV, Duke of Mecklenburg]

Target entity: Henry IV, Duke of Mecklenburg
Context triple: [Duke of Mecklenburg, hasTitleHolder, Henry IV, Duke of Mecklenburg]

• A. Henry IV, Duke of Saxony
  Henry IV, Duke of Saxony, was a 16th-century German nobleman of the House of Wettin who held ducal authority in Saxony as a member of the region’s ruling dynasty.
• B. Albert II, Duke of Mecklenburg
  Albert II, Duke of Mecklenburg, was a 14th-century German prince of the House of Mecklenburg who ruled the Mecklenburg region in northern Germany and played a role in the politics of the Holy Roman Empire.
• C. Albert II, Margrave of Brandenburg
  Albert II, Margrave of Brandenburg, was a 13th-century German nobleman of the House of Ascania who co-ruled the Margraviate of Brandenburg and played a role in consolidating its territorial power within the Holy Roman Empire.
• D. Magnus II, Duke of Mecklenburg
  Magnus II, Duke of Mecklenburg was a late 15th-century German nobleman who ruled parts of the Mecklenburg region within the Holy Roman Empire.
• E. William, Margrave of Brandenburg-Schwedt
  William, Margrave of Brandenburg-Schwedt was an 18th-century Prussian prince and military commander from a cadet branch of the Hohenzollern dynasty.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Henry IV, Duke of Mecklenburg
Target entity description: Henry IV, Duke of Mecklenburg was a late 15th- and early 16th-century German nobleman who ruled parts of the Mecklenburg region within the Holy Roman Empire.

• A. Henry IV, Duke of Saxony
  Henry IV, Duke of Saxony, was a 16th-century German nobleman of the House of Wettin who held ducal authority in Saxony as a member of the region’s ruling dynasty.
• B. Albert II, Duke of Mecklenburg
  Albert II, Duke of Mecklenburg, was a 14th-century German prince of the House of Mecklenburg who ruled the Mecklenburg region in northern Germany and played a role in the politics of the Holy Roman Empire.
• C. Albert II, Margrave of Brandenburg
  Albert II, Margrave of Brandenburg, was a 13th-century German nobleman of the House of Ascania who co-ruled the Margraviate of Brandenburg and played a role in consolidating its territorial power within the Holy Roman Empire.
• D. Magnus II, Duke of Mecklenburg
  Magnus II, Duke of Mecklenburg was a late 15th-century German nobleman who ruled parts of the Mecklenburg region within the Holy Roman Empire.
• E. William, Margrave of Brandenburg-Schwedt
  William, Margrave of Brandenburg-Schwedt was an 18th-century Prussian prince and military commander from a cadet branch of the Hohenzollern dynasty.
• F. None of above. chosen