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 | Statement: [Pony Express National Historic Trail, followsRouteOf, Pony Express]

Target entity: Pony Express
Context triple: [Pony Express National Historic Trail, followsRouteOf, Pony Express]

• A. Pony Express chosen
  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.
• B. 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.
• C. Pony Express National Historic Trail
  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.
• D. Twenty-mule teams
  Twenty-mule teams were large mule-drawn wagon teams famously used in the late 19th century to haul borax from remote mines in Death Valley, California.
• E. Southern Pacific Overland Route
  The Southern Pacific Overland Route was a major transcontinental rail line in the United States that connected California with the Midwest and East, serving as a key artery for both passenger and freight traffic.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.