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: William, Duke of Austria | Statement: [Joanna II of Naples, spouse, William, Duke of Austria]

Target entity: William, Duke of Austria
Context triple: [Joanna II of Naples, spouse, William, Duke of Austria]

• A. Philip August of Austria
  Philip August of Austria was an Austrian archduke of the Habsburg dynasty, known primarily as a younger son of Holy Roman Emperor Ferdinand III and his Spanish wife Maria Anna of Spain.
• B. Robert, Archduke of Austria-Este
  Robert, Archduke of Austria-Este was a member of the Habsburg-Lorraine dynasty who held the revived Austria-Este title and was the second son of the last Emperor of Austria, Charles I.
• C. Archduke Sigismund of Austria
  Archduke Sigismund of Austria was a 15th-century Habsburg ruler of Tyrol and Further Austria whose political and military entanglements, including conflicts with the Swiss and Burgundians, shaped regional power dynamics in the late Middle Ages.
• D. Frederick II, Duke of Austria
  Frederick II, Duke of Austria was the last male member of the Babenberg dynasty, whose death in 1246 triggered a succession crisis and power struggle over the Austrian lands.
• E. Karl of Austria
  Karl of Austria was a member of the Habsburg dynasty, an archduke of Austria who lived during the height of Habsburg influence in European politics.
• 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: William, Duke of Austria
Triple: [Joanna II of Naples, spouse, William, Duke of Austria]

William, Duke of Austria, was a 14th-century Habsburg nobleman who briefly held ducal authority in Austria and was married to Queen Joanna II of Naples.

Target entity: William, Duke of Austria
Target entity description: William, Duke of Austria, was a 14th-century Habsburg nobleman who briefly held ducal authority in Austria and was married to Queen Joanna II of Naples.

• A. Philip August of Austria
  Philip August of Austria was an Austrian archduke of the Habsburg dynasty, known primarily as a younger son of Holy Roman Emperor Ferdinand III and his Spanish wife Maria Anna of Spain.
• B. Robert, Archduke of Austria-Este
  Robert, Archduke of Austria-Este was a member of the Habsburg-Lorraine dynasty who held the revived Austria-Este title and was the second son of the last Emperor of Austria, Charles I.
• C. Archduke Sigismund of Austria
  Archduke Sigismund of Austria was a 15th-century Habsburg ruler of Tyrol and Further Austria whose political and military entanglements, including conflicts with the Swiss and Burgundians, shaped regional power dynamics in the late Middle Ages.
• D. Frederick II, Duke of Austria
  Frederick II, Duke of Austria was the last male member of the Babenberg dynasty, whose death in 1246 triggered a succession crisis and power struggle over the Austrian lands.
• E. Karl of Austria
  Karl of Austria was a member of the Habsburg dynasty, an archduke of Austria who lived during the height of Habsburg influence in European politics.
• F. None of above. chosen