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: Royal Mail | Statement: [Rail Express Systems, mainCustomer, Royal Mail]

Target entity: Royal Mail
Context triple: [Rail Express Systems, mainCustomer, Royal Mail]

• A. Royal Mail chosen
  Royal Mail is the United Kingdom’s long-established national postal service and courier company responsible for mail collection and delivery across the country and internationally.
• B. British Post Office
  The British Post Office was the United Kingdom’s former state-run postal and telecommunications service, responsible for mail delivery, post offices, and early telegraph and telephone systems.
• C. Royal Mail Lines
  Royal Mail Lines was a British shipping company that operated passenger and cargo services, particularly on routes between the United Kingdom and South America, during the first half of the 20th century.
• D. Australia Post
  Australia Post is the government-owned corporation responsible for providing postal and related services across Australia.
• E. Swiss Post
  Swiss Post is Switzerland’s national postal service provider, responsible for mail delivery, logistics, and various financial and digital services across the country.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: mainCustomer
Context triple: [Rail Express Systems, mainCustomer, Royal Mail]

• A. majorCustomer chosen
  Indicates that one entity is a primary or high-value customer of another entity, typically contributing a significant portion of business or revenue.
• B. exportCustomer
  Indicates initiating the transfer or output of customer-related data from one system or context to another, typically for integration, backup, or reporting purposes.
• C. secondaryCustomer
  Indicates a relationship where one customer is designated as an additional or subordinate customer associated with a primary customer in a given context.
• D. customerType
  Indicates the classification or category assigned to a customer based on their characteristics, status, or relationship with a business.
• E. primaryClient
  Indicates that one entity serves as the main or most important client associated with another entity.
• F. None of above.