8984
The exchange needs this : it ' s ossified , the real owners - - holders of exchange seats - - have seen their investment lose 40 % in a year ( though they can still earn an income from it to offset the losses ) , and the NASDAQ has undercut their traditional dominance among growth companies - turned - blue chips .
 The exchange, it, exchange, the NASDAQ, growth companies - turned - blue chips, the real owners, holders of exchange seats, their, they, their
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 exchange, it, exchange, the NASDAQ, growth companies - turned - blue chips, the real owners, holders of exchange seats, their, they, their