10313
The Soviets ' explanation is that the anthrax came from one lot of animal feed made from the bones of cattle that grazed on soil that was naturally infected with anthrax spores .
 Soviets, one
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Soviets, one