7226
Researchers affiliated with the clearinghouse just released an interesting report about securities class action trends during 2004 .
 the clearinghouse, Researchers affiliated with the clearinghouse
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 clearinghouse, Researchers affiliated with the clearinghouse