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Several companies also operate guided riverboard trips in the United States near Missoula , Montana ; Sacramento , California ; Bend , Oregon , and eastern Tennessee .
 United States, Missoula, Montana, Sacramento, California, Bend, Oregon, Tennessee
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States, Missoula, Montana, Sacramento, California, Bend, Oregon, Tennessee