3571
what ' s happening with you and the 7th cav as we continue to watch your image by way of video phone and the giant m1 - a1 tank .
 the 7th cav, you, we, your, the giant m1 - a1 tank, m1 - a1
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 7th cav, you, we, your, the giant m1 - a1 tank, m1 - a1