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: PCA Optional Rules for Arbitrating Disputes between Two States | Statement: [PCA Arbitration Rules, relatedTo, PCA Optional Rules for Arbitrating Disputes between Two States]

Target entity: PCA Optional Rules for Arbitrating Disputes between Two States
Context triple: [PCA Arbitration Rules, relatedTo, PCA Optional Rules for Arbitrating Disputes between Two States]

• A. PCA Optional Conciliation Rules for Disputes Involving International Organizations and States
  The PCA Optional Conciliation Rules for Disputes Involving International Organizations and States are a specialized set of procedural rules issued by the Permanent Court of Arbitration to govern voluntary conciliation proceedings between states and international organizations in resolving their disputes peacefully.
• B. PCA Arbitration Rules
  The PCA Arbitration Rules are a set of procedural rules issued by the Permanent Court of Arbitration for conducting international arbitration proceedings between states, state entities, intergovernmental organizations, and private parties.
• C. Contracting Parties to the Permanent Court of Arbitration
  The Contracting Parties to the Permanent Court of Arbitration are the states that have acceded to the PCA’s founding conventions and thereby participate in and support its intergovernmental framework for international dispute resolution.
• D. Restatement (Third) of Foreign Relations Law of the United States
  Restatement (Third) of Foreign Relations Law of the United States is a leading American legal treatise that systematically articulates and clarifies U.S. and international law principles governing the foreign relations of the United States.
• E. Multi-Party Interim Appeal Arbitration Arrangement
  The Multi-Party Interim Appeal Arbitration Arrangement is a World Trade Organization mechanism created by a group of members to provide an alternative system for resolving trade dispute appeals while the WTO Appellate Body is non-functional.
• 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: PCA Optional Rules for Arbitrating Disputes between Two States
Triple: [PCA Arbitration Rules, relatedTo, PCA Optional Rules for Arbitrating Disputes between Two States]

The PCA Optional Rules for Arbitrating Disputes between Two States are a specialized set of procedural rules issued by the Permanent Court of Arbitration to govern arbitration proceedings specifically between sovereign states.

Target entity: PCA Optional Rules for Arbitrating Disputes between Two States
Target entity description: The PCA Optional Rules for Arbitrating Disputes between Two States are a specialized set of procedural rules issued by the Permanent Court of Arbitration to govern arbitration proceedings specifically between sovereign states.

• A. PCA Optional Conciliation Rules for Disputes Involving International Organizations and States
  The PCA Optional Conciliation Rules for Disputes Involving International Organizations and States are a specialized set of procedural rules issued by the Permanent Court of Arbitration to govern voluntary conciliation proceedings between states and international organizations in resolving their disputes peacefully.
• B. PCA Arbitration Rules chosen
  The PCA Arbitration Rules are a set of procedural rules issued by the Permanent Court of Arbitration for conducting international arbitration proceedings between states, state entities, intergovernmental organizations, and private parties.
• C. Contracting Parties to the Permanent Court of Arbitration
  The Contracting Parties to the Permanent Court of Arbitration are the states that have acceded to the PCA’s founding conventions and thereby participate in and support its intergovernmental framework for international dispute resolution.
• D. Restatement (Third) of Foreign Relations Law of the United States
  Restatement (Third) of Foreign Relations Law of the United States is a leading American legal treatise that systematically articulates and clarifies U.S. and international law principles governing the foreign relations of the United States.
• E. Multi-Party Interim Appeal Arbitration Arrangement
  The Multi-Party Interim Appeal Arbitration Arrangement is a World Trade Organization mechanism created by a group of members to provide an alternative system for resolving trade dispute appeals while the WTO Appellate Body is non-functional.
• F. None of above.