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: Trienio Liberal (1820–1823) | Statement: [French intervention in Spain (1823), timePeriod, Trienio Liberal (1820–1823)]

Target entity: Trienio Liberal (1820–1823)
Context triple: [French intervention in Spain (1823), timePeriod, Trienio Liberal (1820–1823)]

• A. Trienio Liberal chosen
  The Trienio Liberal was a three-year period (1820–1823) in Spain marked by a liberal constitutional government and significant political reforms before being ended by French intervention.
• B. Cortes Constituintes de 1820–1822
  The Cortes Constituintes de 1820–1822 were the revolutionary Portuguese constituent assembly that drafted the liberal Constitution of 1822 and marked the transition from absolutist to constitutional monarchy in Portugal.
• C. Constitutional Cortes of 1837
  The Constitutional Cortes of 1837 was a Portuguese parliamentary assembly convened in the wake of liberal reforms to draft and consolidate a new constitutional framework for the kingdom.
• D. Portuguese Liberal Revolution of 1820
  The Portuguese Liberal Revolution of 1820 was a political uprising that initiated Portugal’s transition from absolutist monarchy to constitutional government, inspiring subsequent liberal conflicts in the country.
• E. Second Bourbon Restoration
  The Second Bourbon Restoration was the period beginning in 1815 when the Bourbon monarchy was re-established in France after Napoleon’s final defeat at Waterloo, lasting until the July Revolution of 1830.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.