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: Office of Security (U.S. Department of State) | Statement: [Diplomatic Security Service, precededBy, Office of Security (U.S. Department of State)]

Target entity: Office of Security (U.S. Department of State)
Context triple: [Diplomatic Security Service, precededBy, Office of Security (U.S. Department of State)]

• A. Office of Security
  The Office of Security is a NATO International Staff unit responsible for developing, implementing, and overseeing security policies and measures to protect NATO personnel, information, and facilities.
• B. Office of the Under Secretaries of State
  The Office of the Under Secretaries of State is a senior leadership body within the U.S. Department of State that oversees major functional and regional portfolios under the Secretary of State.
• C. Diplomatic Security Service
  The Diplomatic Security Service is the law enforcement and security arm of the U.S. Department of State responsible for protecting American diplomatic personnel, facilities, and sensitive information worldwide.
• D. Departamentul Securității Statului
  Departamentul Securității Statului was the secret police and intelligence agency of communist Romania, notorious for its extensive surveillance and repression of political dissent.
• E. State Department Office of International Information and Cultural Affairs
  The State Department Office of International Information and Cultural Affairs was a U.S. government agency responsible for managing overseas information programs and cultural diplomacy in the early post–World War II period.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Office of Security (U.S. Department of State)
Triple: [Diplomatic Security Service, precededBy, Office of Security (U.S. Department of State)]

The Office of Security (U.S. Department of State) was the State Department’s former security and protective arm responsible for safeguarding U.S. diplomatic personnel, facilities, and information before its functions were assumed by the Diplomatic Security Service.

Target entity: Office of Security (U.S. Department of State)
Target entity description: The Office of Security (U.S. Department of State) was the State Department’s former security and protective arm responsible for safeguarding U.S. diplomatic personnel, facilities, and information before its functions were assumed by the Diplomatic Security Service.

• A. Office of Security
  The Office of Security is a NATO International Staff unit responsible for developing, implementing, and overseeing security policies and measures to protect NATO personnel, information, and facilities.
• B. Office of the Under Secretaries of State
  The Office of the Under Secretaries of State is a senior leadership body within the U.S. Department of State that oversees major functional and regional portfolios under the Secretary of State.
• C. Diplomatic Security Service chosen
  The Diplomatic Security Service is the law enforcement and security arm of the U.S. Department of State responsible for protecting American diplomatic personnel, facilities, and sensitive information worldwide.
• D. Departamentul Securității Statului
  Departamentul Securității Statului was the secret police and intelligence agency of communist Romania, notorious for its extensive surveillance and repression of political dissent.
• E. State Department Office of International Information and Cultural Affairs
  The State Department Office of International Information and Cultural Affairs was a U.S. government agency responsible for managing overseas information programs and cultural diplomacy in the early post–World War II period.
• F. None of above.