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that experience should continue to inspire us , as we seek to build a more peaceful and secure world .
 us, we, a more peaceful and secure world
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:
 us, we, a more peaceful and secure world