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: American anti-slavery movement | Statement: [Frederick Douglass, movement, American anti-slavery movement]

Target entity: American anti-slavery movement
Context triple: [Frederick Douglass, movement, American anti-slavery movement]

• A. American abolitionist movement chosen
  The American abolitionist movement was a 19th-century social and political campaign in the United States dedicated to ending slavery and promoting the emancipation and equal rights of enslaved African Americans.
• B. American Anti-Slavery Society
  The American Anti-Slavery Society was a prominent 19th-century abolitionist organization in the United States that campaigned for the immediate end of slavery through moral persuasion, activism, and widespread publications.
• C. British abolitionist movement
  The British abolitionist movement was a social and political campaign in Britain that sought to end the transatlantic slave trade and ultimately abolish slavery throughout the British Empire.
• D. Brazilian abolitionist movement
  The Brazilian abolitionist movement was a 19th-century social and political campaign that mobilized intellectuals, activists, and segments of the elite to end slavery in Brazil, culminating in its formal abolition in 1888.
• E. American and Foreign Anti-Slavery Society
  The American and Foreign Anti-Slavery Society was a 19th-century U.S. abolitionist organization that promoted the worldwide abolition of slavery through political and moral reform efforts.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.