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: German U-boat U-47 | Statement: [Scapa Flow, attackedBy, German U-boat U-47]

Target entity: German U-boat U-47
Context triple: [Scapa Flow, attackedBy, German U-boat U-47]

• A. German submarine U-616
  German submarine U-616 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine that operated in the Mediterranean during World War II, engaging Allied naval forces before being sunk in 1944.
• B. U-9
  U-9 was a German World War I U-boat famed for its early and dramatic successes in submarine warfare, including the sinking of three British cruisers in a single engagement in 1914.
• C. German tanker Altmark
  The German tanker Altmark was a World War II-era naval auxiliary ship of Nazi Germany, best known for its role in the 1940 Altmark Incident involving the rescue of British prisoners in Norwegian waters.
• D. German battleship Bismarck
  The German battleship Bismarck was a powerful World War II Kriegsmarine warship famed for sinking HMS Hood and later being hunted down and destroyed by the Royal Navy in the Atlantic.
• E. U-505 submarine
  The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
• 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: German U-boat U-47
Triple: [Scapa Flow, attackedBy, German U-boat U-47]

German U-boat U-47 was a World War II German submarine commanded by Günther Prien, best known for its daring and highly successful 1939 raid into the British naval base at Scapa Flow.

Target entity: German U-boat U-47
Target entity description: German U-boat U-47 was a World War II German submarine commanded by Günther Prien, best known for its daring and highly successful 1939 raid into the British naval base at Scapa Flow.

• A. German submarine U-616
  German submarine U-616 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine that operated in the Mediterranean during World War II, engaging Allied naval forces before being sunk in 1944.
• B. U-9
  U-9 was a German World War I U-boat famed for its early and dramatic successes in submarine warfare, including the sinking of three British cruisers in a single engagement in 1914.
• C. German tanker Altmark
  The German tanker Altmark was a World War II-era naval auxiliary ship of Nazi Germany, best known for its role in the 1940 Altmark Incident involving the rescue of British prisoners in Norwegian waters.
• D. German battleship Bismarck
  The German battleship Bismarck was a powerful World War II Kriegsmarine warship famed for sinking HMS Hood and later being hunted down and destroyed by the Royal Navy in the Atlantic.
• E. U-505 submarine
  The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
• F. None of above. chosen