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: Keith B. Alexander | Statement: [Commander, U.S. Cyber Command, firstHolder, Keith B. Alexander]

Target entity: Keith B. Alexander
Context triple: [Commander, U.S. Cyber Command, firstHolder, Keith B. Alexander]

• A. Michael V. Hayden
  Michael V. Hayden is a retired four-star U.S. Air Force general who served as director of both the National Security Agency (NSA) and the Central Intelligence Agency (CIA).
• B. Vernon A. Walters
  Vernon A. Walters was an American Army lieutenant general, diplomat, and intelligence officer who served in key Cold War roles, including Deputy Director of the CIA and later U.S. ambassador to several countries.
• C. William H. Webster
  William H. Webster is an American judge and public official who uniquely served as both Director of the Federal Bureau of Investigation and Director of Central Intelligence.
• D. Andrew G. McCabe
  Andrew G. McCabe is a former FBI official who served as Deputy Director and briefly as Acting Director of the Federal Bureau of Investigation.
• E. Ryan C. Crocker
  Ryan C. Crocker is a veteran American diplomat and former U.S. ambassador to multiple Middle Eastern countries, noted for his key role in shaping U.S. policy in the region.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Keith B. Alexander
Target entity description: Keith B. Alexander is a retired U.S. Army general who served as the inaugural commander of U.S. Cyber Command and former director of the National Security Agency.

• A. Michael V. Hayden
  Michael V. Hayden is a retired four-star U.S. Air Force general who served as director of both the National Security Agency (NSA) and the Central Intelligence Agency (CIA).
• B. Vernon A. Walters
  Vernon A. Walters was an American Army lieutenant general, diplomat, and intelligence officer who served in key Cold War roles, including Deputy Director of the CIA and later U.S. ambassador to several countries.
• C. William H. Webster
  William H. Webster is an American judge and public official who uniquely served as both Director of the Federal Bureau of Investigation and Director of Central Intelligence.
• D. Andrew G. McCabe
  Andrew G. McCabe is a former FBI official who served as Deputy Director and briefly as Acting Director of the Federal Bureau of Investigation.
• E. Ryan C. Crocker
  Ryan C. Crocker is a veteran American diplomat and former U.S. ambassador to multiple Middle Eastern countries, noted for his key role in shaping U.S. policy in the region.
• F. None of above. chosen