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: Kalmar Union of 1397 | Statement: [Kalmar Castle, significantEvent, Kalmar Union of 1397]

Target entity: Kalmar Union of 1397
Context triple: [Kalmar Castle, significantEvent, Kalmar Union of 1397]

• A. Kalmar Union chosen
  The Kalmar Union was a late medieval political union that united the kingdoms of Denmark, Norway, and Sweden (including their overseas territories) under a single monarch from 1397 to the early 16th century.
• B. Sweden–Norway union
  The Sweden–Norway union was a 19th-century political union in which the kingdoms of Sweden and Norway shared a common monarch and foreign policy while retaining separate domestic governments.
• C. Unification of Norway
  The Unification of Norway was the historical process, traditionally associated with King Harald Fairhair, through which numerous small Norse petty kingdoms were consolidated into a single Norwegian kingdom in the late 9th and early 10th centuries.
• D. Union of Sweden and Polish–Lithuanian Commonwealth under personal union
  The Union of Sweden and the Polish–Lithuanian Commonwealth under personal union was a brief early 17th-century dynastic union in which Sigismund III Vasa simultaneously ruled both realms, linking two major European powers under a single monarch.
• E. Polish–Saxon union
  The Polish–Saxon union was a personal union in the early 18th century under which the Electorate of Saxony and the Polish–Lithuanian Commonwealth were jointly ruled by the same monarch, notably Augustus II the Strong.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.