7535
to cnn ' s patty davis at reagan national airport .
 cnn, cnn ' s patty davis at reagan national airport, reagan national airport
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 cnn, cnn ' s patty davis at reagan national airport, reagan national airport