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: United States acquisition of Alaska | Statement: [Seward’s Icebox, refersTo, United States acquisition of Alaska]

Target entity: United States acquisition of Alaska
Context triple: [Seward’s Icebox, refersTo, United States acquisition of Alaska]

• A. Alaska Purchase chosen
  The Alaska Purchase was the 1867 transaction in which the United States bought the Alaska territory from the Russian Empire, significantly expanding U.S. land holdings in North America.
• B. Louisiana Purchase
  The Louisiana Purchase was an 1803 land deal in which the United States bought a vast territory from France, doubling the nation's size and securing control of the Mississippi River region.
• C. United States territorial expansion
  United States territorial expansion refers to the historical process by which the United States grew from a cluster of Atlantic coast colonies into a transcontinental nation through purchases, wars, treaties, and settlement.
• D. Gadsden Purchase agreement
  The Gadsden Purchase agreement was an 1853 treaty between the United States and Mexico in which the U.S. bought a strip of land in present-day southern Arizona and New Mexico to facilitate a southern transcontinental railroad and finalize the continental border.
• E. Alaska Statehood Act
  The Alaska Statehood Act is the 1958 U.S. federal law that admitted Alaska as the 49th state of the United States, establishing its state government and political institutions.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.