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 Texas frontier | Statement: [Texas frontier, precededBy, Mexican Texas frontier]

Target entity: Mexican Texas frontier
Context triple: [Texas frontier, precededBy, Mexican Texas frontier]

• A. Texas frontier
  The Texas frontier was a historically volatile border region in 19th-century Texas marked by westward expansion, conflict, and lawlessness that helped define the mythology of the American Wild West.
• B. Mexican Texas chosen
  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.
• C. Northern Mexico theater of the Mexican–American War
  The Northern Mexico theater of the Mexican–American War was the campaign zone along the U.S.–Mexico border where early key battles, including those around the Rio Grande, were fought between U.S. and Mexican forces.
• D. New Spain frontier regions
  The New Spain frontier regions were the sparsely settled, contested borderlands of the Spanish Empire in North America, where colonial authorities used allied Indigenous groups like the Tlaxcalans to help secure and expand imperial control.
• E. Frontier Texas!
  Frontier Texas! is an interactive history museum in Abilene that immerses visitors in the stories and experiences of the 19th-century Texas frontier.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.