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 of Perth | Statement: [Alexander III of Scotland, signed, Treaty of Perth]

Target entity: Treaty of Perth
Context triple: [Alexander III of Scotland, signed, Treaty of Perth]

• A. Treaty of Perth chosen
  The Treaty of Perth was a 1266 agreement between Scotland and Norway that ended their conflict over the Hebrides and the Isle of Man, formally transferring these territories to Scottish control.
• B. Treaty of Birgham
  The Treaty of Birgham was a 1290 agreement intended to secure the independence of Scotland by arranging the marriage of Margaret, the Maid of Norway, to Edward of Caernarfon, while explicitly safeguarding Scottish laws and institutions.
• C. Treaty of Edinburgh
  The Treaty of Edinburgh was a 1560 agreement that ended French military intervention in Scotland and effectively secured Protestant reform and greater English influence in Scottish affairs.
• D. Treaty of Canterbury
  The Treaty of Canterbury is the 1986 bilateral agreement between the United Kingdom and France that authorized, defined, and governs the construction and operation of the Channel Tunnel.
• E. Treaty of York
  The Treaty of York was a 1237 agreement between England and Scotland that definitively fixed much of the Anglo-Scottish border and helped stabilize relations between the two kingdoms.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.