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 (diplomatic prelude) | Statement: [John Slidell, participatedIn, Mexican–American War (diplomatic prelude)]

Target entity: Mexican–American War (diplomatic prelude)
Context triple: [John Slidell, participatedIn, Mexican–American War (diplomatic prelude)]

• A. 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.
• B. United States–Mexico peace negotiations
  The United States–Mexico peace negotiations were the diplomatic talks that led to the end of the Mexican–American War and the signing of the Treaty of Guadalupe Hidalgo in 1848.
• C. Pig War
  The Pig War was an 1859 border dispute between the United States and Great Britain over the San Juan Islands that is notable for having escalated from the shooting of a pig yet resulted in no human casualties.
• D. French intervention in Mexico
  The French intervention in Mexico was a mid-19th-century military campaign in which France, backed at times by Britain and Spain, invaded Mexico to install Emperor Maximilian I and challenge Mexican sovereignty under President Benito Juárez.
• E. Toledo War
  The Toledo War was a 19th-century boundary dispute between the U.S. states of Ohio and Michigan over control of the Toledo Strip, resolved largely through political negotiation rather than armed conflict.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.