6556
He spoke fluent Russian , German , Arabic , Persian , Pashto , French , Uzbek , and Turkish , and had extensive knowledge of Avestan , Pahlavi , Sogdian , and other Iranian languages and dialects , both extinct and current .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None