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Hugo Quackenbush , senior vice president at Charles Schwab Corp. , the San Francisco - based discount brokerage firm , said he did n't expect any immediate problems with margin calls for Schwab customers .
 person: Hugo Quackenbush; organization: Charles Schwab Corp.; geographical social political: San Francisco; organization: Schwab
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 person: Hugo Quackenbush; organization: Charles Schwab Corp.; geographical social political: San Francisco; organization: Schwab