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: Upper Silesia plebiscite | Statement: [Beuthen, historicalEventAssociation, Upper Silesia plebiscite]

Target entity: Upper Silesia plebiscite
Context triple: [Beuthen, historicalEventAssociation, Upper Silesia plebiscite]

• A. Upper Silesia plebiscite chosen
  The Upper Silesia plebiscite was a 1921 referendum in the ethnically mixed industrial region of Upper Silesia to determine whether the territory would belong to Germany or the newly re-established Poland after World War I.
• B. Schleswig plebiscites
  The Schleswig plebiscites were 1920 referendums held in the aftermath of World War I to determine the border between Denmark and Germany in the historically contested region of Schleswig.
• C. Cieszyn Silesia dispute
  The Cieszyn Silesia dispute was a post-World War I territorial conflict between Poland and Czechoslovakia over the ethnically mixed and strategically important Cieszyn Silesia region.
• D. Carinthian plebiscite of 1920
  The Carinthian plebiscite of 1920 was a post-World War I referendum in which inhabitants of parts of Carinthia voted on whether to remain in Austria or join the newly formed Kingdom of Serbs, Croats and Slovenes, helping to determine the region’s final borders.
• E. Sudeten Crisis
  The Sudeten Crisis was a 1938 diplomatic and political confrontation in which Nazi Germany demanded and ultimately secured the cession of Czechoslovakia’s predominantly German-speaking border regions, helping pave the way to World War II.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.