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: Butterfield Overland Mail | Statement: [John Butterfield, notableWork, Butterfield Overland Mail]

Target entity: Butterfield Overland Mail
Context triple: [John Butterfield, notableWork, Butterfield Overland Mail]

• A. Butterfield Overland Mail chosen
  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.
• B. 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.
• C. 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.
• D. Union Pacific Overland Route
  The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
• E. The Overland Route
  The Overland Route is a 19th-century stage play by British dramatist Tom Taylor, best known as a comic drama set against the backdrop of transcontinental travel.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.