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: Special Envoy for Strategic Stability and Missile Defense | Statement: [Ellen Tauscher, positionHeld, Special Envoy for Strategic Stability and Missile Defense]

Target entity: Special Envoy for Strategic Stability and Missile Defense
Context triple: [Ellen Tauscher, positionHeld, Special Envoy for Strategic Stability and Missile Defense]

• A. Under Secretary of State for Arms Control and International Security Affairs
  The Under Secretary of State for Arms Control and International Security Affairs is a senior U.S. State Department official responsible for overseeing arms control, nonproliferation, and international security policy, including political-military affairs.
• B. Assistant Secretary of State for Political-Military Affairs
  The Assistant Secretary of State for Political-Military Affairs is a senior U.S. State Department official who oversees security assistance, defense trade, and political-military policy coordination between the United States and foreign governments.
• C. Assistant Secretary of Defense for International Security Affairs
  The Assistant Secretary of Defense for International Security Affairs is a senior U.S. Department of Defense official responsible for overseeing defense policy and security relationships with foreign nations and international organizations.
• D. Assistant Secretary of Defense for Space Policy
  The Assistant Secretary of Defense for Space Policy is a senior U.S. Department of Defense official responsible for developing and overseeing national defense space policy and strategy.
• E. Director, Defense Threat Reduction Agency
  The Director of the Defense Threat Reduction Agency is the senior official responsible for leading the U.S. Department of Defense’s efforts to counter and reduce threats from weapons of mass destruction and related emerging dangers.
• 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: Special Envoy for Strategic Stability and Missile Defense
Triple: [Ellen Tauscher, positionHeld, Special Envoy for Strategic Stability and Missile Defense]

The Special Envoy for Strategic Stability and Missile Defense is a senior U.S. diplomatic role responsible for leading international negotiations and policy coordination on nuclear arms control, missile defense, and related strategic security issues.

Target entity: Special Envoy for Strategic Stability and Missile Defense
Target entity description: The Special Envoy for Strategic Stability and Missile Defense is a senior U.S. diplomatic role responsible for leading international negotiations and policy coordination on nuclear arms control, missile defense, and related strategic security issues.

• A. Under Secretary of State for Arms Control and International Security Affairs
  The Under Secretary of State for Arms Control and International Security Affairs is a senior U.S. State Department official responsible for overseeing arms control, nonproliferation, and international security policy, including political-military affairs.
• B. Assistant Secretary of State for Political-Military Affairs
  The Assistant Secretary of State for Political-Military Affairs is a senior U.S. State Department official who oversees security assistance, defense trade, and political-military policy coordination between the United States and foreign governments.
• C. Assistant Secretary of Defense for International Security Affairs
  The Assistant Secretary of Defense for International Security Affairs is a senior U.S. Department of Defense official responsible for overseeing defense policy and security relationships with foreign nations and international organizations.
• D. Assistant Secretary of Defense for Space Policy
  The Assistant Secretary of Defense for Space Policy is a senior U.S. Department of Defense official responsible for developing and overseeing national defense space policy and strategy.
• E. Director, Defense Threat Reduction Agency
  The Director of the Defense Threat Reduction Agency is the senior official responsible for leading the U.S. Department of Defense’s efforts to counter and reduce threats from weapons of mass destruction and related emerging dangers.
• F. None of above. chosen