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: Pony Express route | Statement: [South Pass, partOf, Pony Express route]

Target entity: Pony Express route
Context triple: [South Pass, partOf, Pony Express route]

• A. Pony Express National Historic Trail chosen
  The Pony Express National Historic Trail is a protected route that commemorates the legendary 19th-century mail service between Missouri and California, preserving and interpreting its historic path and landmarks.
• B. Pony Express
  The Pony Express was a short-lived but legendary 19th-century American mail service that used relays of horseback riders to rapidly carry messages across the western United States.
• C. Butterfield Overland Mail
  Butterfield Overland Mail was a 19th-century stagecoach service that carried mail and passengers across the United States on one of the earliest transcontinental routes before the advent of the transcontinental railroad.
• D. Pioneer Express Trail
  The Pioneer Express Trail is a scenic multi-use trail in Northern California that follows the historic route of early settlers along the shores of Folsom Lake and through the Sierra foothills.
• E. Santa Fe Trail
  The Santa Fe Trail was a 19th-century overland trade and travel route connecting Missouri with Santa Fe, New Mexico, that played a crucial role in westward expansion and commerce in the United States.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.