3686
the president greeting a number of dignitaries as he gets ready here to board air force one on his way home .
 home, the president, a number of dignitaries, he, his, air force one, here
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:
 home, the president, a number of dignitaries, he, his, air force one, here