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: Mexican–American War era | Statement: [First Relief, historicalPeriod, Mexican–American War era]

Target entity: Mexican–American War era
Context triple: [First Relief, historicalPeriod, Mexican–American War era]

• A. War of 1812 era
  The War of 1812 era refers to the period surrounding the conflict between the United States and Great Britain from 1812 to 1815, marked by naval battles, frontier warfare, and the solidification of American national identity.
• B. Republican era
  The Republican era was the period in Chinese history from the 1911 Xinhai Revolution to the establishment of the People’s Republic in 1949, marked by the rule of the Republic of China and significant political fragmentation, warlordism, and social transformation.
• C. Mexican–American War chosen
  The Mexican–American War was a mid-19th-century conflict between the United States and Mexico that resulted in significant territorial gains for the U.S., including present-day California, Arizona, New Mexico, and other southwestern lands.
• D. The National Era
  The National Era was a 19th-century American abolitionist newspaper best known as the original serial publisher of Harriet Beecher Stowe's "Uncle Tom's Cabin."
• E. The Greenback Era
  The Greenback Era is a historical study by Irwin Unger that examines U.S. economic and political developments surrounding Civil War–era paper money and postwar monetary policy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.