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In July of 2005 I invested in and established 51.com , serving as CEO .
 date: July of 2005; organization: 51.com
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: July of 2005, 51.com 
Answer:
 date: July of 2005; organization: 51.com