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: Mauthausen concentration camp system | Statement: [Gusen I, partOf, Mauthausen concentration camp system]

Target entity: Mauthausen concentration camp system
Context triple: [Gusen I, partOf, Mauthausen concentration camp system]

• A. Mauthausen concentration camp chosen
  Mauthausen concentration camp was a notorious Nazi concentration and forced-labor camp in Austria, infamous for its brutal conditions, high mortality rate, and role in the Holocaust.
• B. SS-Totenkopf concentration camp system
  The SS-Totenkopf concentration camp system was a network of Nazi camps administered by SS units notorious for brutal imprisonment, forced labor, and mass murder during the Holocaust.
• C. Flossenbürg concentration camp
  Flossenbürg concentration camp was a Nazi SS concentration camp in Bavaria, Germany, used primarily for forced labor and the imprisonment and execution of political prisoners and resistance members during World War II.
• D. Kaufering concentration camp complex
  The Kaufering concentration camp complex was a network of Nazi subcamps of Dachau in Bavaria, where thousands of mostly Jewish prisoners were forced to build underground facilities for the German war effort under brutal conditions.
• E. Hartheim killing center
  The Hartheim killing center was a Nazi euthanasia and extermination facility in Austria where thousands of disabled people and later concentration camp prisoners were murdered in gas chambers during World War II.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.