102617
The press " role " in the national and societal dynamics of the United States and Australia has virtually always been the responsibility of the private commercial sector since these countries ' earliest days .
 United States, Australia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 United States, Australia