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: Treaty on European Union (Maastricht Treaty) | Statement: [Treaty of Rome, amendedBy, Treaty on European Union (Maastricht Treaty)]

Target entity: Treaty on European Union (Maastricht Treaty)
Context triple: [Treaty of Rome, amendedBy, Treaty on European Union (Maastricht Treaty)]

• A. Single European Act
  The Single European Act was a landmark 1986 European Community treaty that laid the groundwork for the EU’s single market by deepening economic integration and expanding supranational powers.
• B. Treaty on European Union chosen
  The Treaty on European Union, commonly known as the Maastricht Treaty, is the foundational agreement that created the modern European Union and introduced the framework for a single currency, common foreign and security policy, and closer political integration among its member states.
• C. Treaty of Rome
  The Treaty of Rome is a 1957 international agreement that established the European Economic Community, laying a foundational step toward today’s European Union and its single market.
• D. Treaty of Amsterdam
  The Treaty of Amsterdam is a 1997 agreement that amended the founding treaties of the European Union, enhancing the powers of EU institutions, expanding cooperation in justice and home affairs, and preparing the Union for future enlargement.
• E. Treaty of Nice
  The Treaty of Nice is a 2001 agreement that reformed the institutional structure of the European Union to prepare for its eastward enlargement.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.