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: Yalta Conference | Statement: [Anglo-Soviet Treaty of 1942, precedes, Yalta Conference]

Target entity: Yalta Conference
Context triple: [Anglo-Soviet Treaty of 1942, precedes, Yalta Conference]

• A. Yalta Conference chosen
  The Yalta Conference was a pivotal 1945 World War II meeting where the leaders of the United States, the United Kingdom, and the Soviet Union negotiated the postwar reorganization of Europe and the defeat of Nazi Germany.
• B. Tehran Conference
  The Tehran Conference was a pivotal 1943 World War II meeting where Allied leaders Franklin D. Roosevelt, Winston Churchill, and Joseph Stalin coordinated military strategy against Nazi Germany and discussed plans for the postwar world.
• C. Potsdam Conference
  The Potsdam Conference was the July–August 1945 meeting of Allied leaders Truman, Churchill/Attlee, and Stalin near Berlin to decide the postwar order, peace terms, and administration of defeated Germany and Europe.
• D. Quebec Conference
  The Quebec Conference was a high-level World War II meeting in 1943 where Allied leaders, including Winston Churchill and Franklin D. Roosevelt, coordinated military strategy against the Axis powers.
• E. Trident Conference
  The Trident Conference was a high-level World War II strategy meeting held in Washington, D.C. in May 1943 between U.S. and British leaders to coordinate Allied military plans.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.