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: Field Marshal von Werdenberg | Statement: [the Marschallin, spouse, Field Marshal von Werdenberg]

Target entity: Field Marshal von Werdenberg
Context triple: [the Marschallin, spouse, Field Marshal von Werdenberg]

• A. Field Marshal Franz Moritz von Lacy
  Field Marshal Franz Moritz von Lacy was an 18th-century Austrian military commander and reformer who played a leading strategic role in the Habsburg Monarchy’s wars against Prussia and other European powers.
• B. Field Marshal Dominik von Königsegg-Rothenfels
  Field Marshal Dominik von Königsegg-Rothenfels was an 18th-century Austrian nobleman and high-ranking military commander in the Habsburg army, noted for his leadership in major battles of the War of the Polish Succession.
• C. Field Marshal Eduard Clam-Gallas
  Field Marshal Eduard Clam-Gallas was a 19th-century Austrian nobleman and high-ranking Habsburg military commander who served prominently in the Austro-Prussian and Italian wars.
• D. Moritz von Bock
  Moritz von Bock is a person bearing the German surname "von Bock," likely associated with a family of noble or historical significance.
• E. Field Marshal Georg von Küchler
  Field Marshal Georg von Küchler was a senior German Wehrmacht commander during World War II, best known for leading major operations on the Eastern Front.
• 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: Field Marshal von Werdenberg
Triple: [the Marschallin, spouse, Field Marshal von Werdenberg]

Field Marshal von Werdenberg is the unseen, much older husband of the Marschallin in Richard Strauss’s opera "Der Rosenkavalier," whose marriage to her frames the opera’s central romantic entanglements.

Target entity: Field Marshal von Werdenberg
Target entity description: Field Marshal von Werdenberg is the unseen, much older husband of the Marschallin in Richard Strauss’s opera "Der Rosenkavalier," whose marriage to her frames the opera’s central romantic entanglements.

• A. Field Marshal Franz Moritz von Lacy
  Field Marshal Franz Moritz von Lacy was an 18th-century Austrian military commander and reformer who played a leading strategic role in the Habsburg Monarchy’s wars against Prussia and other European powers.
• B. Field Marshal Dominik von Königsegg-Rothenfels
  Field Marshal Dominik von Königsegg-Rothenfels was an 18th-century Austrian nobleman and high-ranking military commander in the Habsburg army, noted for his leadership in major battles of the War of the Polish Succession.
• C. Field Marshal Eduard Clam-Gallas
  Field Marshal Eduard Clam-Gallas was a 19th-century Austrian nobleman and high-ranking Habsburg military commander who served prominently in the Austro-Prussian and Italian wars.
• D. Moritz von Bock
  Moritz von Bock is a person bearing the German surname "von Bock," likely associated with a family of noble or historical significance.
• E. Field Marshal Georg von Küchler
  Field Marshal Georg von Küchler was a senior German Wehrmacht commander during World War II, best known for leading major operations on the Eastern Front.
• F. None of above.