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: Big Four grouping of 1923 | Statement: [Highland Railway, partOf, Big Four grouping of 1923]

Target entity: Big Four grouping of 1923
Context triple: [Highland Railway, partOf, Big Four grouping of 1923]

• A. Big Four chosen
  The Big Four were the four largest British railway companies that dominated rail transport in Great Britain between the 1923 Grouping and nationalisation in 1948.
• B. The Knickerbocker group
  The Knickerbocker group was a circle of early 19th-century New York writers, including figures like Washington Irving and William Cullen Bryant, who helped shape a distinctly American literary tradition.
• C. 1913 Kingsbury Commitment
  The 1913 Kingsbury Commitment was a landmark agreement in which AT&T’s Bell System accepted federal conditions limiting its monopolistic practices and allowing competition in exchange for avoiding antitrust breakup.
• D. Gruppe Internationale
  Gruppe Internationale was a German revolutionary socialist group of World War I–era radicals that formed the core of what later became the Spartacus League.
• E. Group of Eight
  The Group of Eight is a coalition of leading Australian research-intensive universities known for their strong focus on high-quality education and influential research output.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.