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OIA is responsible for : 1-Extradition requests 2-Requests for foreign documentary evidence , bank and business records , and other official documents 3-Interviews and depositions of foreign witnesses 4-Assistance to obtain appearance of foreign witnesses in U.S. courts 5-Foreign searches and seizures , compelled handwriting exemplars , and electronic surveillanceThe OIA uses a number of legal resources to obtain information from foreign countries .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None