1738
BLITZER Will the U . S . lose creditability , Mr . Chairman , if , if the U . S . finds no hard evidence , no so - called smoking gun ?
 the U . S, the U . S, Mr, Mr . Chairman
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:
 the U . S, the U . S, Mr, Mr . Chairman