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: [William Hepburn Russell, coFounded, Pony Express]

Target entity: Pony Express
Context triple: [William Hepburn Russell, coFounded, 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. Overseas Railroad
  The Overseas Railroad was a historic extension of the Florida East Coast Railway that connected mainland Florida to Key West across a series of long bridges over the Florida Keys.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.