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: 81st United States Congress | Statement: [Public Law 81-507, enactedBy, 81st United States Congress]

Target entity: 81st United States Congress
Context triple: [Public Law 81-507, enactedBy, 81st United States Congress]

• A. 81st United States Congress chosen
  The 81st United States Congress was the federal legislative body in session from 1949 to 1951 during President Harry S. Truman’s administration, notable for advancing key Fair Deal domestic policies.
• B. 91st United States Congress
  The 91st United States Congress was the federal legislature in session from 1969 to 1971 that passed significant legislation during the early Nixon administration, including major reforms in areas such as drug policy, environmental protection, and civil rights.
• C. 87th United States Congress
  The 87th United States Congress was the federal legislature in session from 1961 to 1963 during the early years of the Kennedy administration, enacting major legislation on civil rights, space exploration, and social welfare.
• D. 78th United States Congress
  The 78th United States Congress was the federal legislature that met from 1943 to 1945 during Franklin D. Roosevelt’s presidency, overseeing key World War II-era legislation and governance.
• E. 80th United States Congress
  The 80th United States Congress (1947–1949) was the post–World War II Republican-controlled Congress notable for major Cold War-era legislation, including national security reorganization and the early framework of U.S. containment policy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.