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: Colfax Massacre | Statement: [Reconstruction and its rollback, significantEvent, Colfax Massacre]

Target entity: Colfax Massacre
Context triple: [Reconstruction and its rollback, significantEvent, Colfax Massacre]

• A. Colfax massacre chosen
  The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
• B. Omaha race riot of 1919
  The Omaha race riot of 1919 was a violent white mob attack on Black residents in Omaha, Nebraska, marked by lynching, arson, and widespread destruction during the wave of racial unrest known as the Red Summer.
• C. Marais des Cygnes massacre
  The Marais des Cygnes massacre was an 1858 attack in Kansas Territory in which pro-slavery militants executed a group of free-state men, becoming one of the most notorious episodes of violence in the Bleeding Kansas conflict.
• D. Ludlow Massacre
  The Ludlow Massacre was a 1914 attack by the Colorado National Guard and company guards on striking coal miners and their families in Ludlow, Colorado, becoming one of the deadliest labor conflicts in U.S. history and a symbol of the struggle for workers’ rights.
• E. Centralia Massacre of 1919
  The Centralia Massacre of 1919 was a violent clash between members of the Industrial Workers of the World (IWW) and American Legion veterans in Centralia, Washington, resulting in multiple deaths and becoming a notorious episode of post–World War I labor conflict and Red Scare–era repression in the United States.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.