14673
Disgruntled soldiers complained to Rumsfeld about long deployments and a lack of armored vehicles and other equipment .
 Disgruntled soldiers, Rumsfeld, armored vehicles
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:
 Disgruntled soldiers, Rumsfeld, armored vehicles