4750
the complexity of it all has been described as a ballet and if it is a ballet , the choreographer of the flight deck is this man here .
 the choreographer of the flight deck, this man here, the flight deck
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 choreographer of the flight deck, this man here, the flight deck