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 mail service | Statement: [William B. Waddell, notableWork, Pony Express mail service]

Target entity: Pony Express mail service
Context triple: [William B. Waddell, notableWork, Pony Express mail service]

• 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. Empire Service
  Empire Service is an Amtrak passenger train route that provides frequent intercity rail service primarily between New York City and upstate New York destinations.
• E. Neale’s Patent for North American postal services
  Neale’s Patent for North American postal services was a late 17th-century English crown grant that gave Thomas Neale the exclusive right to establish and operate a centralized postal system across the North American colonies.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.