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 Five professional services firms | Statement: [Andersen Consulting, partOf, Big Five professional services firms]

Target entity: Big Five professional services firms
Context triple: [Andersen Consulting, partOf, Big Five professional services firms]

• A. Big Eight accounting firms
  The Big Eight accounting firms were the dominant group of large international professional services networks that led the global audit and accounting industry before a series of mergers reduced them to today’s Big Four.
• B. Big Four auditors
  The Big Four auditors are the four largest international accounting and professional services firms that dominate the global audit market for large public companies.
• C. Ernst & Young
  Ernst & Young is a global professional services firm, known as one of the "Big Four" accounting organizations, providing audit, tax, consulting, and advisory services to clients worldwide.
• D. Big Four
  The Big Four was a historic Canadian football league that formed the basis of modern professional Canadian football and eventually evolved into part of the Canadian Football League (CFL).
• E. Big Four
  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.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Big Five professional services firms
Target entity description: The Big Five professional services firms were the leading global accounting and consulting networks that dominated the audit and advisory market before Arthur Andersen’s collapse reduced them to the current "Big Four."

• A. Big Eight accounting firms chosen
  The Big Eight accounting firms were the dominant group of large international professional services networks that led the global audit and accounting industry before a series of mergers reduced them to today’s Big Four.
• B. Big Four auditors
  The Big Four auditors are the four largest international accounting and professional services firms that dominate the global audit market for large public companies.
• C. Ernst & Young
  Ernst & Young is a global professional services firm, known as one of the "Big Four" accounting organizations, providing audit, tax, consulting, and advisory services to clients worldwide.
• D. Big Four
  The Big Four was a historic Canadian football league that formed the basis of modern professional Canadian football and eventually evolved into part of the Canadian Football League (CFL).
• E. Big Four
  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.
• F. None of above.