1812
Christie ' s was not prosecuted in the United States after its management agreed to testify against Sotheby ' s and provide documents needed to prove fraudulent intent .
 the United States, Christie ' s, its, Sotheby ' s, its management
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 the United States, Christie ' s, its, Sotheby ' s, its management