53954
It alludes to the treatment of people as " Untermenschen " ( German for " sub-humans " ) , and to Levi 's examination of the degree to which it was possible for a prisoner in Auschwitz to retain his or her humanity .
 Levi, Auschwitz
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Levi, Auschwitz