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: U-boat campaign of 1917 | Statement: [Atlantic theatre of World War I, notableEvent, U-boat campaign of 1917]

Target entity: U-boat campaign of 1917
Context triple: [Atlantic theatre of World War I, notableEvent, U-boat campaign of 1917]

• A. German U-boat campaign chosen
  The German U-boat campaign was a sustained submarine warfare effort by Imperial Germany during World War I aimed at disrupting Allied maritime trade and supply lines, particularly around the British Isles.
• B. Battle of the Atlantic
  The Battle of the Atlantic was the prolonged World War II naval campaign in which Allied and Axis forces fought for control of vital shipping routes across the Atlantic Ocean.
• C. Atlantic theatre of World War I
  The Atlantic theatre of World War I was the vast maritime front where Allied and Central Powers’ naval forces, particularly German U-boats and Allied convoys, contested control of Atlantic sea lanes critical for supplies and troop movements.
• D. Bay of Biscay anti-submarine campaign
  The Bay of Biscay anti-submarine campaign was a World War II air–sea offensive focused on hunting and destroying German U-boats transiting through the Bay of Biscay between their Atlantic patrol areas and bases in occupied France.
• E. Mediterranean U-boat campaign
  The Mediterranean U-boat campaign was a World War II German submarine offensive aimed at disrupting Allied naval and supply routes across the Mediterranean Sea.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.