171580
Some commentators place the blame for these kinds of Ponzi schemes on greed rather than exclusion from formal banking systems .
 organization: Ponzi schemes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Ponzi schemes 
Answer:
 organization: Ponzi schemes