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: Treaty of Mersen | Statement: [Carolingian fragmentation, relatedTo, Treaty of Mersen]

Target entity: Treaty of Mersen
Context triple: [Carolingian fragmentation, relatedTo, Treaty of Mersen]

• A. Treaty of Mersen chosen
  The Treaty of Mersen was an 870 agreement that further divided the Carolingian Empire between the East and West Frankish kingdoms, shaping the political map of medieval Western Europe.
• B. Treaty of Tivoli
  The Treaty of Tivoli was a 1378 peace agreement that ended hostilities between Pope Gregory XI and the city of Florence during the War of the Eight Saints, reshaping papal-Florentine relations in late medieval Italy.
• C. Treaty of Alès
  The Treaty of Alès was a 1629 agreement in France that ended the Huguenot rebellions by confirming their religious freedoms while stripping them of political and military privileges.
• D. Treaty of Valiesar
  The Treaty of Valiesar was a 1658 peace agreement between Russia and Sweden during the Second Northern War, under which Russia temporarily gained control of parts of Swedish Livonia.
• E. Treaty of Tarascon
  The Treaty of Tarascon was a 1291 agreement that ended the Aragonese Crusade by reconciling the Crown of Aragon with the papacy and the French crown, restoring peace in the western Mediterranean.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.