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: Louisiana Purchase centennial | Statement: [Palace of Fine Arts (St. Louis), themeOfExposition, Louisiana Purchase centennial]

Target entity: Louisiana Purchase centennial
Context triple: [Palace of Fine Arts (St. Louis), themeOfExposition, Louisiana Purchase centennial]

• A. Louisiana Purchase chosen
  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.
• B. Alaska Purchase
  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.
• C. 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.
• D. Americanization of Louisiana
  Americanization of Louisiana refers to the 19th-century process by which U.S. political, legal, and cultural norms reshaped Louisiana’s formerly French- and Spanish-colonial society, profoundly altering the status and identity of communities such as the Creoles of color.
• E. Annexation of Texas
  The Annexation of Texas was the 1845 incorporation of the Republic of Texas into the United States, a pivotal expansionist move that heightened sectional tensions over slavery in the antebellum era.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: themeOfExposition
Context triple: [Palace of Fine Arts (St. Louis), themeOfExposition, Louisiana Purchase centennial]

• A. themeExplores
  Indicates that a work, action, or discourse centrally examines, investigates, or delves into a particular theme or subject.
• B. expositionPurpose
  Indicates that something (such as a text, speech, or display) serves the purpose of explaining, clarifying, or providing background information about a subject.
• C. exhibitTheme chosen
  Indicates that something (such as a work, event, or presentation) presents, embodies, or is organized around a particular theme.
• D. theme
  Indicates the entity that is the primary participant or content affected or characterized by an action, event, or state.
• E. themeSummary
  Indicates that one entity is a concise overview or abstract capturing the main points or themes of another entity.
• F. None of above.