2591
Some of the NATO members who agreed to send troops may want NATO authorization for that action , the official said .
 Some of the NATO members who agreed to send troops, the NATO members who agreed to send troops, who, NATO, NATO, troops, the official
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:
 Some of the NATO members who agreed to send troops, the NATO members who agreed to send troops, who, NATO, NATO, troops, the official