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: Kansas–Nebraska Act | Statement: [Andrew P. Butler, supported, Kansas–Nebraska Act]

Target entity: Kansas–Nebraska Act
Context triple: [Andrew P. Butler, supported, Kansas–Nebraska Act]

• A. Kansas–Nebraska Act chosen
  The Kansas–Nebraska Act was an 1854 U.S. law that created the territories of Kansas and Nebraska and inflamed sectional tensions by allowing settlers there to decide the legality of slavery through popular sovereignty, effectively nullifying the Missouri Compromise.
• B. Missouri Compromise
  The Missouri Compromise was an 1820 U.S. federal statute that temporarily eased sectional tensions by admitting Missouri as a slave state and Maine as a free state while banning slavery in most of the remaining Louisiana Territory north of the 36°30′ parallel.
• C. Compromise of 1850
  The Compromise of 1850 was a package of U.S. laws intended to ease sectional tensions over slavery and territorial expansion, notably admitting California as a free state while strengthening the Fugitive Slave Act.
• D. Wilmot Proviso
  The Wilmot Proviso was a proposed 1846 U.S. legislative amendment that sought to ban slavery in any territory acquired from Mexico, intensifying sectional tensions and shaping antebellum politics.
• E. Lecompton Constitution
  The Lecompton Constitution was a pro-slavery draft constitution for Kansas in the 1850s that sparked intense national controversy and became a key flashpoint in the sectional conflict leading up to the American Civil War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.