77457
Tennessee and West Virginia residents are frequently subject to breathing toxic ash due to blasting in the mountains for mining .
 Tennessee, West Virginia
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:
 Tennessee, West Virginia