5039
we believe the x - ray process was sufficient to determine the state of those bats and we ' re very confident that all of those bats were clean and had no foreign substances within them .
 we, we
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:
 we, we