11175
Rumsfeld said the Army was sparing no expense or effort to acquire as many Humvees and other vehicles with extra armor as it can .
 the Army, it, Rumsfeld, as many Humvees and other vehicles with extra armor as it can
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 Army, it, Rumsfeld, as many Humvees and other vehicles with extra armor as it can