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: Antarctic Treaty System | Statement: [Presidente Eduardo Frei Montalva Base, subjectTo, Antarctic Treaty System]

Target entity: Antarctic Treaty System
Context triple: [Presidente Eduardo Frei Montalva Base, subjectTo, Antarctic Treaty System]

• A. Antarctic Treaty System chosen
  The Antarctic Treaty System is an international legal framework that regulates activities in Antarctica, preserving it for peaceful, scientific use and suspending territorial sovereignty claims.
• B. United Nations Convention on the Law of the Sea
  The United Nations Convention on the Law of the Sea is an international treaty that defines nations’ rights and responsibilities in the world’s oceans, including maritime boundaries, resource exploitation, navigation, and environmental protection.
• C. Commission on the Limits of the Continental Shelf
  The Commission on the Limits of the Continental Shelf is a UN body of experts that reviews coastal states’ scientific data to recommend the outer limits of their continental shelves beyond 200 nautical miles.
• D. ANZUS
  ANZUS is a security pact formed in 1951 between Australia, New Zealand, and the United States to promote mutual defense and military cooperation in the Pacific region.
• E. North Atlantic Treaty
  The North Atlantic Treaty is the 1949 founding agreement that created the NATO military alliance, establishing collective defense commitments among Western nations during the early Cold War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.