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: 31st United States Congress | Statement: [John M. Clayton, servedIn, 31st United States Congress]

Target entity: 31st United States Congress
Context triple: [John M. Clayton, servedIn, 31st United States Congress]

• A. 31st United States Congress chosen
  The 31st United States Congress (1849–1851) was the federal legislature that grappled with escalating sectional tensions over slavery and passed the Compromise of 1850 in an effort to preserve the Union.
• B. 30th United States Congress
  The 30th United States Congress was the federal legislative body that met from 1847 to 1849 during the presidency of James K. Polk, overseeing key legislation amid the Mexican–American War and growing sectional tensions over slavery.
• C. 41st United States Congress
  The 41st United States Congress was the federal legislative body that met from 1869 to 1871 during the Reconstruction era, dominated by Republicans and responsible for significant civil rights and enforcement legislation.
• D. 51st United States Congress
  The 51st United States Congress was the federal legislative body in session from 1889 to 1891 that, under Republican control, passed significant economic and civil rights legislation during Benjamin Harrison’s presidency.
• E. 23rd United States Congress
  The 23rd United States Congress was the federal legislative body that met from 1833 to 1835 during Andrew Jackson’s presidency, enacting significant laws amid intense political conflict over issues like banking and federal power.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.