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The Nigerian presidency announced today Saturday that President Olosigun Obasanjo would head for Japan next Tuesday as part of a tour which will include South Korea and Turkey .
 geographical social political: Nigerian; geographical social political: Japan; geographical social political: South Korea; geographical social political: Turkey; organization: The Nigerian presidency; person: President; person: President Olosigun Obasanjo
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Nigerian; geographical social political: Japan; geographical social political: South Korea; geographical social political: Turkey; organization: The Nigerian presidency; person: President; person: President Olosigun Obasanjo