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: Coahuila–Texas border region | Statement: [Piedras Negras, region, Coahuila–Texas border region]

Target entity: Coahuila–Texas border region
Context triple: [Piedras Negras, region, Coahuila–Texas border region]

• A. Mexican Texas
  Mexican Texas was the northeastern region of Mexico in the early 19th century, encompassing what is now Texas and serving as a frontier province marked by Anglo-American colonization, tensions over governance, and the roots of the Texas Revolution.
• B. South Texas
  South Texas is a culturally rich and predominantly Hispanic region of southern Texas known for its border communities, agriculture, and strong ties to Mexico.
• C. U.S.–Mexico borderlands region chosen
  The U.S.–Mexico borderlands region is a culturally and historically interconnected area spanning parts of the southern United States and northern Mexico, characterized by cross-border economic ties, migration, and blended social identities.
• D. Trans-Pecos region
  The Trans-Pecos region is the arid, mountainous far western portion of Texas known for its desert landscapes, sparse population, and cultural and geographic ties to the American Southwest.
• E. Rio Grande valley
  The Rio Grande Valley is a historically and culturally rich region along the Rio Grande River, known for its long-standing Indigenous presence, agricultural communities, and role as a borderland between the United States and Mexico.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.