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: Karelian Isthmus | Statement: [Continuation War, mainFront, Karelian Isthmus]

Target entity: Karelian Isthmus
Context triple: [Continuation War, mainFront, Karelian Isthmus]

• A. Karelian Isthmus chosen
  The Karelian Isthmus is a strategically important land corridor between the Gulf of Finland and Lake Ladoga in northwestern Russia, historically contested between Finland and Russia and heavily fortified and fought over in the 20th century.
• B. Summa, Karelian Isthmus
  Summa, located on the Karelian Isthmus, was a strategically important village and fortified area that became a major focal point of fighting between Finland and the Soviet Union during the Winter War.
• C. Karelia
  Karelia is a historical and cultural region of northern Europe, spanning areas of present-day Finland and Russia and known for its distinct Karelian people, language, and forested lake landscapes.
• D. Polesia
  Polesia is a vast marshy and forested region of Eastern Europe spanning parts of Belarus, Ukraine, Poland, and Russia, known for its unique wetlands, traditional rural culture, and rich biodiversity.
• E. Kholmogory
  Kholmogory is a historic Russian town in the Arkhangelsk region that served as an important early northern trading and administrative center.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: mainFront
Context triple: [Continuation War, mainFront, Karelian Isthmus]

• A. primaryFront chosen
  Indicates that one entity serves as the main or most important front-facing side or surface in relation to another entity.
• B. mainIndex
  Indicates that one entity serves as the primary or central index or reference point for another entity within a structured system.
• C. frontType
  Indicates the type or category of a front (e.g., boundary or leading side) that one entity presents or forms relative to another.
• D. front
  Indicates that one entity is located directly before or facing another entity along a primary viewing or movement direction.
• E. mainSingle
  Indicates that an entity is the primary or sole main instance among a set of related entities.
• F. None of above.