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St. Louis-based Mercantile Bancorp Inc. , a bank holding company with $ 18.04 billion in assets , was seen by many analysts as the most attractive Missouri franchise in size after Boatmen 's .
 organization: Mercantile Bancorp Inc.; location: Missouri; else: St. Louis-based; organization: Boatmen 's
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 organization: Mercantile Bancorp Inc.; location: Missouri; else: St. Louis-based; organization: Boatmen 's