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: Sonderkommando 4a | Statement: [Paul Blobel, commanded, Sonderkommando 4a]

Target entity: Sonderkommando 4a
Context triple: [Paul Blobel, commanded, Sonderkommando 4a]

• A. SS-Sonderkommando Kulmhof
  SS-Sonderkommando Kulmhof was the Nazi SS unit responsible for operating the Chełmno (Kulmhof) extermination camp in occupied Poland, where mass killings of Jews and other victims were carried out primarily using gas vans.
• B. Birkenau cycle
  The Birkenau cycle is a series of abstract paintings by Gerhard Richter that grapple with the memory and representation of the Holocaust, based on blurred and overpainted photographs from the Auschwitz-Birkenau concentration camp.
• C. Judenplatz
  Judenplatz is a historic square in Vienna’s city center known for its medieval Jewish quarter remains and the Holocaust Memorial.
• D. War Criminals Prison No. 1
  War Criminals Prison No. 1 was the post–World War II Allied detention facility at Landsberg Prison in Germany where numerous convicted Nazi war criminals were incarcerated and executed.
• E. Survival in Auschwitz
  Survival in Auschwitz is the English-language title of Primo Levi’s seminal Holocaust memoir recounting his experiences and reflections as a Jewish prisoner in the Auschwitz concentration camp.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Sonderkommando 4a
Triple: [Paul Blobel, commanded, Sonderkommando 4a]

Sonderkommando 4a was a Nazi Einsatzkommando unit of Einsatzgruppe C responsible for mass shootings and genocidal operations, particularly against Jews, in the occupied Soviet Union during World War II.

Target entity: Sonderkommando 4a
Target entity description: Sonderkommando 4a was a Nazi Einsatzkommando unit of Einsatzgruppe C responsible for mass shootings and genocidal operations, particularly against Jews, in the occupied Soviet Union during World War II.

• A. SS-Sonderkommando Kulmhof
  SS-Sonderkommando Kulmhof was the Nazi SS unit responsible for operating the Chełmno (Kulmhof) extermination camp in occupied Poland, where mass killings of Jews and other victims were carried out primarily using gas vans.
• B. Birkenau cycle
  The Birkenau cycle is a series of abstract paintings by Gerhard Richter that grapple with the memory and representation of the Holocaust, based on blurred and overpainted photographs from the Auschwitz-Birkenau concentration camp.
• C. Judenplatz
  Judenplatz is a historic square in Vienna’s city center known for its medieval Jewish quarter remains and the Holocaust Memorial.
• D. War Criminals Prison No. 1
  War Criminals Prison No. 1 was the post–World War II Allied detention facility at Landsberg Prison in Germany where numerous convicted Nazi war criminals were incarcerated and executed.
• E. Survival in Auschwitz
  Survival in Auschwitz is the English-language title of Primo Levi’s seminal Holocaust memoir recounting his experiences and reflections as a Jewish prisoner in the Auschwitz concentration camp.
• F. None of above. chosen