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: [Silesia, wasSubjectOf, Upper Silesia plebiscite]

Target entity: Upper Silesia plebiscite
Context triple: [Silesia, wasSubjectOf, Upper Silesia plebiscite]

• A. Gleiwitz incident
  The Gleiwitz incident was a staged 1939 false-flag attack by Nazi Germany on a German radio station, used as propaganda to justify the invasion of Poland and the start of World War II.
• B. Anschluss of Austria
  The Anschluss of Austria was the 1938 annexation of Austria into Nazi Germany, marking a key step in Hitler’s expansionist agenda before World War II.
• C. Second Polish Republic
  The Second Polish Republic was the independent Polish state that existed between World War I and World War II, ultimately destroyed by the joint German and Soviet invasion in 1939.
• D. Polish–Soviet War
  The Polish–Soviet War (1919–1921) was a major post–World War I conflict between the newly re-established Poland and Soviet Russia that helped determine the borders of Eastern Europe and the fate of the region’s independence movements.
• E. Munich Agreement
  The Munich Agreement was a 1938 settlement permitting Nazi Germany’s annexation of the Sudetenland from Czechoslovakia, long regarded as a prime example of failed appeasement before World War II.
• 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: Upper Silesia plebiscite
Triple: [Silesia, wasSubjectOf, Upper Silesia plebiscite]

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.

Target entity: Upper Silesia plebiscite
Target entity description: 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.

• A. Gleiwitz incident
  The Gleiwitz incident was a staged 1939 false-flag attack by Nazi Germany on a German radio station, used as propaganda to justify the invasion of Poland and the start of World War II.
• B. Anschluss of Austria
  The Anschluss of Austria was the 1938 annexation of Austria into Nazi Germany, marking a key step in Hitler’s expansionist agenda before World War II.
• C. Second Polish Republic
  The Second Polish Republic was the independent Polish state that existed between World War I and World War II, ultimately destroyed by the joint German and Soviet invasion in 1939.
• D. Polish–Soviet War
  The Polish–Soviet War (1919–1921) was a major post–World War I conflict between the newly re-established Poland and Soviet Russia that helped determine the borders of Eastern Europe and the fate of the region’s independence movements.
• E. Munich Agreement
  The Munich Agreement was a 1938 settlement permitting Nazi Germany’s annexation of the Sudetenland from Czechoslovakia, long regarded as a prime example of failed appeasement before World War II.
• F. None of above. chosen