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: Reconstruction era | Statement: [impeachment of Andrew Johnson, mainSubject, Reconstruction era]

Target entity: Reconstruction era
Context triple: [impeachment of Andrew Johnson, mainSubject, Reconstruction era]

• A. Reconstruction era chosen
  The Reconstruction era was the period following the American Civil War when the United States attempted to reintegrate the seceded Southern states and redefine the legal and social status of formerly enslaved people.
• B. Reconstruction Amendments
  The Reconstruction Amendments are a group of post–Civil War U.S. constitutional amendments that abolished slavery, defined citizenship and equal protection, and expanded civil and voting rights, particularly for formerly enslaved people.
• C. Jacksonian era
  The Jacksonian era was a period in early 19th-century United States history marked by the presidency of Andrew Jackson, the expansion of white male suffrage, and aggressive policies of westward expansion and Indian removal.
• D. Gilded Age
  The Gilded Age was a late 19th-century period in the United States marked by rapid industrialization, vast wealth accumulation, stark social inequality, and influential business magnates like Andrew Carnegie.
• E. Early Republic of the United States
  The Early Republic of the United States was the formative period from the 1790s to the 1820s when the new nation established its political institutions, financial system, and party politics under the Constitution following the American Revolution.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.